diff --git a/test/types/hooks.test-d.ts b/test/types/hooks.test-d.ts
index 7b16bc9c0f..61656a38d0 100644
--- a/test/types/hooks.test-d.ts
+++ b/test/types/hooks.test-d.ts
@@ -10,7 +10,7 @@ import fastify, {
   RouteOptions,
   RegisterOptions,
   FastifyPluginOptions,
-  FastifyContextConfig
+  FastifyContextConfig, RawServerDefault
 } from '../../fastify'
 import { preHandlerAsyncHookHandler, RequestPayload } from '../../types/hooks'
 import { RouteGenericInterface } from '../../types/route'
@@ -215,7 +215,7 @@ server.addHook('onClose', async (instance) => {
 // Use case to monitor any regression on issue #3620
 // ref.: https://github.com/fastify/fastify/issues/3620
 const customTypedHook: preHandlerAsyncHookHandler<
-RawServerBase,
+RawServerDefault,
 RawRequestDefaultExpression,
 RawReplyDefaultExpression,
 Record<string, unknown>
diff --git a/test/types/request.test-d.ts b/test/types/request.test-d.ts
index c5f1a2ffdc..aa016737b9 100644
--- a/test/types/request.test-d.ts
+++ b/test/types/request.test-d.ts
@@ -1,10 +1,23 @@
 import { expectType } from 'tsd'
-import fastify, { RouteHandler, RawRequestDefaultExpression, RequestBodyDefault, RequestGenericInterface, FastifyContext, ContextConfigDefault, FastifyContextConfig } from '../../fastify'
+import fastify, {
+  RouteHandler,
+  RawRequestDefaultExpression,
+  RequestBodyDefault,
+  RequestGenericInterface,
+  FastifyContext,
+  ContextConfigDefault,
+  FastifyContextConfig,
+  FastifyLogFn,
+  RawServerDefault,
+  RawReplyDefaultExpression,
+  RouteHandlerMethod
+} from '../../fastify'
 import { RequestParamsDefault, RequestHeadersDefault, RequestQuerystringDefault } from '../../types/utils'
 import { FastifyLoggerInstance } from '../../types/logger'
 import { FastifyRequest } from '../../types/request'
 import { FastifyReply } from '../../types/reply'
 import { FastifyInstance } from '../../types/instance'
+import { RouteGenericInterface } from '../../types/route'
 
 interface RequestBody {
   content: string;
@@ -38,6 +51,10 @@ type CustomRequest = FastifyRequest<{
   Headers: RequestHeaders;
 }>
 
+interface CustomLoggerInterface extends FastifyLoggerInstance {
+  foo: FastifyLogFn; // custom severity logger method
+}
+
 const getHandler: RouteHandler = function (request, _reply) {
   expectType<string>(request.url)
   expectType<string>(request.method)
@@ -64,6 +81,10 @@ const getHandler: RouteHandler = function (request, _reply) {
   expectType<FastifyInstance>(request.server)
 }
 
+const getHandlerWithCustomLogger: RouteHandlerMethod<RawServerDefault, RawRequestDefaultExpression, RawReplyDefaultExpression, RouteGenericInterface, ContextConfigDefault, CustomLoggerInterface> = function (request, _reply) {
+  expectType<CustomLoggerInterface>(request.log)
+}
+
 const postHandler: Handler = function (request) {
   expectType<RequestBody>(request.body)
   expectType<RequestParams>(request.params)
@@ -96,3 +117,22 @@ const server = fastify()
 server.get('/get', getHandler)
 server.post('/post', postHandler)
 server.put('/put', putHandler)
+
+const customLogger: CustomLoggerInterface = {
+  info: () => { },
+  warn: () => { },
+  error: () => { },
+  fatal: () => { },
+  trace: () => { },
+  debug: () => { },
+  foo: () => { }, // custom severity logger method
+  child: () => customLogger
+}
+
+const serverWithCustomLogger = fastify({ logger: customLogger })
+expectType<
+FastifyInstance<RawServerDefault, RawRequestDefaultExpression, RawReplyDefaultExpression, CustomLoggerInterface>
+& PromiseLike<FastifyInstance<RawServerDefault, RawRequestDefaultExpression, RawReplyDefaultExpression, CustomLoggerInterface>>
+>(serverWithCustomLogger)
+
+serverWithCustomLogger.get('/get', getHandlerWithCustomLogger)
diff --git a/types/hooks.d.ts b/types/hooks.d.ts
index f133e3c253..50d8f6dbf6 100644
--- a/types/hooks.d.ts
+++ b/types/hooks.d.ts
@@ -26,11 +26,12 @@ export interface onRequestHookHandler<
   RawRequest extends RawRequestDefaultExpression<RawServer> = RawRequestDefaultExpression<RawServer>,
   RawReply extends RawReplyDefaultExpression<RawServer> = RawReplyDefaultExpression<RawServer>,
   RouteGeneric extends RouteGenericInterface = RouteGenericInterface,
-  ContextConfig = ContextConfigDefault
+  ContextConfig = ContextConfigDefault,
+  Logger extends FastifyLoggerInstance = FastifyLoggerInstance
 > {
   (
-    this: FastifyInstance,
-    request: FastifyRequest<RouteGeneric, RawServer, RawRequest, ContextConfig>,
+    this: FastifyInstance<RawServer, RawRequest, RawReply, Logger>,
+    request: FastifyRequest<RouteGeneric, RawServer, RawRequest, ContextConfig, Logger>,
     reply: FastifyReply<RawServer, RawRequest, RawReply, RouteGeneric, ContextConfig>,
     done: HookHandlerDoneFunction
   ): void;
@@ -41,11 +42,12 @@ export interface onRequestAsyncHookHandler<
   RawRequest extends RawRequestDefaultExpression<RawServer> = RawRequestDefaultExpression<RawServer>,
   RawReply extends RawReplyDefaultExpression<RawServer> = RawReplyDefaultExpression<RawServer>,
   RouteGeneric extends RouteGenericInterface = RouteGenericInterface,
-  ContextConfig = ContextConfigDefault
+  ContextConfig = ContextConfigDefault,
+  Logger extends FastifyLoggerInstance = FastifyLoggerInstance
 > {
   (
-    this: FastifyInstance,
-    request: FastifyRequest<RouteGeneric, RawServer, RawRequest, ContextConfig>,
+    this: FastifyInstance<RawServer, RawRequest, RawReply, Logger>,
+    request: FastifyRequest<RouteGeneric, RawServer, RawRequest, ContextConfig, Logger>,
     reply: FastifyReply<RawServer, RawRequest, RawReply, RouteGeneric, ContextConfig>,
   ): Promise<unknown>;
 }
@@ -59,11 +61,12 @@ export interface preParsingHookHandler<
   RawRequest extends RawRequestDefaultExpression<RawServer> = RawRequestDefaultExpression<RawServer>,
   RawReply extends RawReplyDefaultExpression<RawServer> = RawReplyDefaultExpression<RawServer>,
   RouteGeneric extends RouteGenericInterface = RouteGenericInterface,
-  ContextConfig = ContextConfigDefault
+  ContextConfig = ContextConfigDefault,
+  Logger extends FastifyLoggerInstance = FastifyLoggerInstance
 > {
   (
-    this: FastifyInstance,
-    request: FastifyRequest<RouteGeneric, RawServer, RawRequest, ContextConfig>,
+    this: FastifyInstance<RawServer, RawRequest, RawReply, Logger>,
+    request: FastifyRequest<RouteGeneric, RawServer, RawRequest, ContextConfig, Logger>,
     reply: FastifyReply<RawServer, RawRequest, RawReply, RouteGeneric, ContextConfig>,
     payload: RequestPayload,
     done: <TError extends Error = FastifyError>(err?: TError | null, res?: RequestPayload) => void
@@ -75,11 +78,12 @@ export interface preParsingAsyncHookHandler<
   RawRequest extends RawRequestDefaultExpression<RawServer> = RawRequestDefaultExpression<RawServer>,
   RawReply extends RawReplyDefaultExpression<RawServer> = RawReplyDefaultExpression<RawServer>,
   RouteGeneric extends RouteGenericInterface = RouteGenericInterface,
-  ContextConfig = ContextConfigDefault
+  ContextConfig = ContextConfigDefault,
+  Logger extends FastifyLoggerInstance = FastifyLoggerInstance
 > {
   (
-    this: FastifyInstance,
-    request: FastifyRequest<RouteGeneric, RawServer, RawRequest, ContextConfig>,
+    this: FastifyInstance<RawServer, RawRequest, RawReply, Logger>,
+    request: FastifyRequest<RouteGeneric, RawServer, RawRequest, ContextConfig, Logger>,
     reply: FastifyReply<RawServer, RawRequest, RawReply, RouteGeneric, ContextConfig>,
     payload: RequestPayload,
   ): Promise<RequestPayload | unknown>;
@@ -93,11 +97,12 @@ export interface preValidationHookHandler<
   RawRequest extends RawRequestDefaultExpression<RawServer> = RawRequestDefaultExpression<RawServer>,
   RawReply extends RawReplyDefaultExpression<RawServer> = RawReplyDefaultExpression<RawServer>,
   RouteGeneric extends RouteGenericInterface = RouteGenericInterface,
-  ContextConfig = ContextConfigDefault
+  ContextConfig = ContextConfigDefault,
+  Logger extends FastifyLoggerInstance = FastifyLoggerInstance
 > {
   (
-    this: FastifyInstance,
-    request: FastifyRequest<RouteGeneric, RawServer, RawRequest, ContextConfig>,
+    this: FastifyInstance<RawServer, RawRequest, RawReply, Logger>,
+    request: FastifyRequest<RouteGeneric, RawServer, RawRequest, ContextConfig, Logger>,
     reply: FastifyReply<RawServer, RawRequest, RawReply, RouteGeneric, ContextConfig>,
     done: HookHandlerDoneFunction
   ): void;
@@ -108,11 +113,12 @@ export interface preValidationAsyncHookHandler<
   RawRequest extends RawRequestDefaultExpression<RawServer> = RawRequestDefaultExpression<RawServer>,
   RawReply extends RawReplyDefaultExpression<RawServer> = RawReplyDefaultExpression<RawServer>,
   RouteGeneric extends RouteGenericInterface = RouteGenericInterface,
-  ContextConfig = ContextConfigDefault
+  ContextConfig = ContextConfigDefault,
+  Logger extends FastifyLoggerInstance = FastifyLoggerInstance
 > {
   (
-    this: FastifyInstance,
-    request: FastifyRequest<RouteGeneric, RawServer, RawRequest, ContextConfig>,
+    this: FastifyInstance<RawServer, RawRequest, RawReply, Logger>,
+    request: FastifyRequest<RouteGeneric, RawServer, RawRequest, ContextConfig, Logger>,
     reply: FastifyReply<RawServer, RawRequest, RawReply, RouteGeneric, ContextConfig>,
   ): Promise<unknown>;
 }
@@ -125,11 +131,12 @@ export interface preHandlerHookHandler<
   RawRequest extends RawRequestDefaultExpression<RawServer> = RawRequestDefaultExpression<RawServer>,
   RawReply extends RawReplyDefaultExpression<RawServer> = RawReplyDefaultExpression<RawServer>,
   RouteGeneric extends RouteGenericInterface = RouteGenericInterface,
-  ContextConfig = ContextConfigDefault
+  ContextConfig = ContextConfigDefault,
+  Logger extends FastifyLoggerInstance = FastifyLoggerInstance
 > {
   (
-    this: FastifyInstance,
-    request: FastifyRequest<RouteGeneric, RawServer, RawRequest, ContextConfig>,
+    this: FastifyInstance<RawServer, RawRequest, RawReply, Logger>,
+    request: FastifyRequest<RouteGeneric, RawServer, RawRequest, ContextConfig, Logger>,
     reply: FastifyReply<RawServer, RawRequest, RawReply, RouteGeneric, ContextConfig>,
     done: HookHandlerDoneFunction
   ): void;
@@ -140,11 +147,12 @@ export interface preHandlerAsyncHookHandler<
   RawRequest extends RawRequestDefaultExpression<RawServer> = RawRequestDefaultExpression<RawServer>,
   RawReply extends RawReplyDefaultExpression<RawServer> = RawReplyDefaultExpression<RawServer>,
   RouteGeneric extends RouteGenericInterface = RouteGenericInterface,
-  ContextConfig = ContextConfigDefault
+  ContextConfig = ContextConfigDefault,
+  Logger extends FastifyLoggerInstance = FastifyLoggerInstance
 > {
   (
-    this: FastifyInstance,
-    request: FastifyRequest<RouteGeneric, RawServer, RawRequest, ContextConfig>,
+    this: FastifyInstance<RawServer, RawRequest, RawReply, Logger>,
+    request: FastifyRequest<RouteGeneric, RawServer, RawRequest, ContextConfig, Logger>,
     reply: FastifyReply<RawServer, RawRequest, RawReply, RouteGeneric, ContextConfig>,
   ): Promise<unknown>;
 }
@@ -166,11 +174,12 @@ export interface preSerializationHookHandler<
   RawRequest extends RawRequestDefaultExpression<RawServer> = RawRequestDefaultExpression<RawServer>,
   RawReply extends RawReplyDefaultExpression<RawServer> = RawReplyDefaultExpression<RawServer>,
   RouteGeneric extends RouteGenericInterface = RouteGenericInterface,
-  ContextConfig = ContextConfigDefault
+  ContextConfig = ContextConfigDefault,
+  Logger extends FastifyLoggerInstance = FastifyLoggerInstance
 > {
   (
-    this: FastifyInstance,
-    request: FastifyRequest<RouteGeneric, RawServer, RawRequest, ContextConfig>,
+    this: FastifyInstance<RawServer, RawRequest, RawReply, Logger>,
+    request: FastifyRequest<RouteGeneric, RawServer, RawRequest, ContextConfig, Logger>,
     reply: FastifyReply<RawServer, RawRequest, RawReply, RouteGeneric, ContextConfig>,
     payload: PreSerializationPayload,
     done: DoneFuncWithErrOrRes
@@ -183,11 +192,12 @@ export interface preSerializationAsyncHookHandler<
   RawRequest extends RawRequestDefaultExpression<RawServer> = RawRequestDefaultExpression<RawServer>,
   RawReply extends RawReplyDefaultExpression<RawServer> = RawReplyDefaultExpression<RawServer>,
   RouteGeneric extends RouteGenericInterface = RouteGenericInterface,
-  ContextConfig = ContextConfigDefault
+  ContextConfig = ContextConfigDefault,
+  Logger extends FastifyLoggerInstance = FastifyLoggerInstance
 > {
   (
-    this: FastifyInstance,
-    request: FastifyRequest<RouteGeneric, RawServer, RawRequest, ContextConfig>,
+    this: FastifyInstance<RawServer, RawRequest, RawReply, Logger>,
+    request: FastifyRequest<RouteGeneric, RawServer, RawRequest, ContextConfig, Logger>,
     reply: FastifyReply<RawServer, RawRequest, RawReply, RouteGeneric, ContextConfig>,
     payload: PreSerializationPayload
   ): Promise<unknown>;
@@ -203,11 +213,12 @@ export interface onSendHookHandler<
   RawRequest extends RawRequestDefaultExpression<RawServer> = RawRequestDefaultExpression<RawServer>,
   RawReply extends RawReplyDefaultExpression<RawServer> = RawReplyDefaultExpression<RawServer>,
   RouteGeneric extends RouteGenericInterface = RouteGenericInterface,
-  ContextConfig = ContextConfigDefault
+  ContextConfig = ContextConfigDefault,
+  Logger extends FastifyLoggerInstance = FastifyLoggerInstance
 > {
   (
-    this: FastifyInstance,
-    request: FastifyRequest<RouteGeneric, RawServer, RawRequest, ContextConfig>,
+    this: FastifyInstance<RawServer, RawRequest, RawReply, Logger>,
+    request: FastifyRequest<RouteGeneric, RawServer, RawRequest, ContextConfig, Logger>,
     reply: FastifyReply<RawServer, RawRequest, RawReply, RouteGeneric, ContextConfig>,
     payload: OnSendPayload,
     done: DoneFuncWithErrOrRes
@@ -220,11 +231,12 @@ export interface onSendAsyncHookHandler<
   RawRequest extends RawRequestDefaultExpression<RawServer> = RawRequestDefaultExpression<RawServer>,
   RawReply extends RawReplyDefaultExpression<RawServer> = RawReplyDefaultExpression<RawServer>,
   RouteGeneric extends RouteGenericInterface = RouteGenericInterface,
-  ContextConfig = ContextConfigDefault
+  ContextConfig = ContextConfigDefault,
+  Logger extends FastifyLoggerInstance = FastifyLoggerInstance
 > {
   (
-    this: FastifyInstance,
-    request: FastifyRequest<RouteGeneric, RawServer, RawRequest, ContextConfig>,
+    this: FastifyInstance<RawServer, RawRequest, RawReply, Logger>,
+    request: FastifyRequest<RouteGeneric, RawServer, RawRequest, ContextConfig, Logger>,
     reply: FastifyReply<RawServer, RawRequest, RawReply, RouteGeneric, ContextConfig>,
     payload: OnSendPayload,
   ): Promise<unknown>;
@@ -239,11 +251,12 @@ export interface onResponseHookHandler<
   RawRequest extends RawRequestDefaultExpression<RawServer> = RawRequestDefaultExpression<RawServer>,
   RawReply extends RawReplyDefaultExpression<RawServer> = RawReplyDefaultExpression<RawServer>,
   RouteGeneric extends RouteGenericInterface = RouteGenericInterface,
-  ContextConfig = ContextConfigDefault
+  ContextConfig = ContextConfigDefault,
+  Logger extends FastifyLoggerInstance = FastifyLoggerInstance
 > {
   (
-    this: FastifyInstance,
-    request: FastifyRequest<RouteGeneric, RawServer, RawRequest, ContextConfig>,
+    this: FastifyInstance<RawServer, RawRequest, RawReply, Logger>,
+    request: FastifyRequest<RouteGeneric, RawServer, RawRequest, ContextConfig, Logger>,
     reply: FastifyReply<RawServer, RawRequest, RawReply, RouteGeneric, ContextConfig>,
     done: HookHandlerDoneFunction
   ): void;
@@ -254,11 +267,12 @@ export interface onResponseAsyncHookHandler<
   RawRequest extends RawRequestDefaultExpression<RawServer> = RawRequestDefaultExpression<RawServer>,
   RawReply extends RawReplyDefaultExpression<RawServer> = RawReplyDefaultExpression<RawServer>,
   RouteGeneric extends RouteGenericInterface = RouteGenericInterface,
-  ContextConfig = ContextConfigDefault
+  ContextConfig = ContextConfigDefault,
+  Logger extends FastifyLoggerInstance = FastifyLoggerInstance
 > {
   (
-    this: FastifyInstance,
-    request: FastifyRequest<RouteGeneric, RawServer, RawRequest, ContextConfig>,
+    this: FastifyInstance<RawServer, RawRequest, RawReply, Logger>,
+    request: FastifyRequest<RouteGeneric, RawServer, RawRequest, ContextConfig, Logger>,
     reply: FastifyReply<RawServer, RawRequest, RawReply, RouteGeneric, ContextConfig>
   ): Promise<unknown>;
 }
@@ -272,11 +286,12 @@ export interface onTimeoutHookHandler<
   RawRequest extends RawRequestDefaultExpression<RawServer> = RawRequestDefaultExpression<RawServer>,
   RawReply extends RawReplyDefaultExpression<RawServer> = RawReplyDefaultExpression<RawServer>,
   RouteGeneric extends RouteGenericInterface = RouteGenericInterface,
-  ContextConfig = ContextConfigDefault
+  ContextConfig = ContextConfigDefault,
+  Logger extends FastifyLoggerInstance = FastifyLoggerInstance
 > {
   (
-    this: FastifyInstance,
-    request: FastifyRequest<RouteGeneric, RawServer, RawRequest, ContextConfig>,
+    this: FastifyInstance<RawServer, RawRequest, RawReply, Logger>,
+    request: FastifyRequest<RouteGeneric, RawServer, RawRequest, ContextConfig, Logger>,
     reply: FastifyReply<RawServer, RawRequest, RawReply, RouteGeneric, ContextConfig>,
     done: HookHandlerDoneFunction
   ): void;
@@ -287,11 +302,12 @@ export interface onTimeoutAsyncHookHandler<
   RawRequest extends RawRequestDefaultExpression<RawServer> = RawRequestDefaultExpression<RawServer>,
   RawReply extends RawReplyDefaultExpression<RawServer> = RawReplyDefaultExpression<RawServer>,
   RouteGeneric extends RouteGenericInterface = RouteGenericInterface,
-  ContextConfig = ContextConfigDefault
+  ContextConfig = ContextConfigDefault,
+  Logger extends FastifyLoggerInstance = FastifyLoggerInstance
 > {
   (
-    this: FastifyInstance,
-    request: FastifyRequest<RouteGeneric, RawServer, RawRequest, ContextConfig>,
+    this: FastifyInstance<RawServer, RawRequest, RawReply, Logger>,
+    request: FastifyRequest<RouteGeneric, RawServer, RawRequest, ContextConfig, Logger>,
     reply: FastifyReply<RawServer, RawRequest, RawReply, RouteGeneric, ContextConfig>
   ): Promise<unknown>;
 }
@@ -308,11 +324,12 @@ export interface onErrorHookHandler<
   RawReply extends RawReplyDefaultExpression<RawServer> = RawReplyDefaultExpression<RawServer>,
   RouteGeneric extends RouteGenericInterface = RouteGenericInterface,
   ContextConfig = ContextConfigDefault,
-  TError extends Error = FastifyError
+  TError extends Error = FastifyError,
+  Logger extends FastifyLoggerInstance = FastifyLoggerInstance
 > {
   (
-    this: FastifyInstance,
-    request: FastifyRequest<RouteGeneric, RawServer, RawRequest, ContextConfig>,
+    this: FastifyInstance<RawServer, RawRequest, RawReply, Logger>,
+    request: FastifyRequest<RouteGeneric, RawServer, RawRequest, ContextConfig, Logger>,
     reply: FastifyReply<RawServer, RawRequest, RawReply, RouteGeneric, ContextConfig>,
     error: TError,
     done: () => void
@@ -325,11 +342,12 @@ export interface onErrorAsyncHookHandler<
   RawReply extends RawReplyDefaultExpression<RawServer> = RawReplyDefaultExpression<RawServer>,
   RouteGeneric extends RouteGenericInterface = RouteGenericInterface,
   ContextConfig = ContextConfigDefault,
-  TError extends Error = FastifyError
+  TError extends Error = FastifyError,
+  Logger extends FastifyLoggerInstance = FastifyLoggerInstance
 > {
   (
-    this: FastifyInstance,
-    request: FastifyRequest<RouteGeneric, RawServer, RawRequest, ContextConfig>,
+    this: FastifyInstance<RawServer, RawRequest, RawReply, Logger>,
+    request: FastifyRequest<RouteGeneric, RawServer, RawRequest, ContextConfig, Logger>,
     reply: FastifyReply<RawServer, RawRequest, RawReply, RouteGeneric, ContextConfig>,
     error: TError
   ): Promise<unknown>;
@@ -345,10 +363,11 @@ export interface onRouteHookHandler<
   RawRequest extends RawRequestDefaultExpression<RawServer> = RawRequestDefaultExpression<RawServer>,
   RawReply extends RawReplyDefaultExpression<RawServer> = RawReplyDefaultExpression<RawServer>,
   RouteGeneric extends RouteGenericInterface = RouteGenericInterface,
-  ContextConfig = ContextConfigDefault
+  ContextConfig = ContextConfigDefault,
+  Logger extends FastifyLoggerInstance = FastifyLoggerInstance
 > {
   (
-    this: FastifyInstance,
+    this: FastifyInstance<RawServer, RawRequest, RawReply, Logger>,
     opts: RouteOptions<RawServer, RawRequest, RawReply, RouteGeneric, ContextConfig> & { routePath: string; path: string; prefix: string }
   ): Promise<unknown> | void;
 }
@@ -362,7 +381,7 @@ export interface onRegisterHookHandler<
   RawServer extends RawServerBase = RawServerDefault,
   RawRequest extends RawRequestDefaultExpression<RawServer> = RawRequestDefaultExpression<RawServer>,
   RawReply extends RawReplyDefaultExpression<RawServer> = RawReplyDefaultExpression<RawServer>,
-  Logger = FastifyLoggerInstance,
+  Logger extends FastifyLoggerInstance = FastifyLoggerInstance,
   Options extends FastifyPluginOptions = FastifyPluginOptions
 > {
   (
@@ -375,9 +394,14 @@ export interface onRegisterHookHandler<
 /**
  * Triggered when fastify.listen() or fastify.ready() is invoked to start the server. It is useful when plugins need a "ready" event, for example to load data before the server start listening for requests.
  */
-export interface onReadyHookHandler {
+export interface onReadyHookHandler<
+  RawServer extends RawServerBase = RawServerDefault,
+  RawRequest extends RawRequestDefaultExpression<RawServer> = RawRequestDefaultExpression<RawServer>,
+  RawReply extends RawReplyDefaultExpression<RawServer> = RawReplyDefaultExpression<RawServer>,
+  Logger extends FastifyLoggerInstance = FastifyLoggerInstance,
+> {
   (
-    this: FastifyInstance,
+    this: FastifyInstance<RawServer, RawRequest, RawReply, Logger>,
     done: HookHandlerDoneFunction
   ): void;
 }
@@ -394,7 +418,7 @@ export interface onCloseHookHandler<
   RawServer extends RawServerBase = RawServerDefault,
   RawRequest extends RawRequestDefaultExpression<RawServer> = RawRequestDefaultExpression<RawServer>,
   RawReply extends RawReplyDefaultExpression<RawServer> = RawReplyDefaultExpression<RawServer>,
-  Logger = FastifyLoggerInstance
+  Logger extends FastifyLoggerInstance = FastifyLoggerInstance,
 > {
   (
     instance: FastifyInstance<RawServer, RawRequest, RawReply, Logger>,
@@ -406,7 +430,7 @@ export interface onCloseAsyncHookHandler<
   RawServer extends RawServerBase = RawServerDefault,
   RawRequest extends RawRequestDefaultExpression<RawServer> = RawRequestDefaultExpression<RawServer>,
   RawReply extends RawReplyDefaultExpression<RawServer> = RawReplyDefaultExpression<RawServer>,
-  Logger = FastifyLoggerInstance
+  Logger extends FastifyLoggerInstance = FastifyLoggerInstance,
 > {
   (
     instance: FastifyInstance<RawServer, RawRequest, RawReply, Logger>
diff --git a/types/instance.d.ts b/types/instance.d.ts
index 5d5ef68101..549d5bc3c2 100644
--- a/types/instance.d.ts
+++ b/types/instance.d.ts
@@ -29,7 +29,7 @@ export interface FastifyInstance<
   RawServer extends RawServerBase = RawServerDefault,
   RawRequest extends RawRequestDefaultExpression<RawServer> = RawRequestDefaultExpression<RawServer>,
   RawReply extends RawReplyDefaultExpression<RawServer> = RawReplyDefaultExpression<RawServer>,
-  Logger = FastifyLoggerInstance
+  Logger extends FastifyLoggerInstance = FastifyLoggerInstance
 > {
   server: RawServer;
   prefix: string;
@@ -83,7 +83,7 @@ export interface FastifyInstance<
   listen(opts: { port: number; host?: string; backlog?: number }, callback: (err: Error|null, address: string) => void): void;
   listen(opts: { port: number; host?: string; backlog?: number }): Promise<string>;
 
-  ready(): FastifyInstance<RawServer, RawRequest, RawReply> & PromiseLike<undefined>;
+  ready(): FastifyInstance<RawServer, RawRequest, RawReply, Logger> & PromiseLike<undefined>;
   ready(readyListener: (err: Error) => void): FastifyInstance<RawServer, RawRequest, RawReply, Logger>;
 
   register: FastifyRegister<FastifyInstance<RawServer, RawRequest, RawReply, Logger> & PromiseLike<undefined>>;
@@ -96,7 +96,7 @@ export interface FastifyInstance<
     RouteGeneric extends RouteGenericInterface = RouteGenericInterface,
     ContextConfig = ContextConfigDefault,
     SchemaCompiler = FastifySchema,
-  >(opts: RouteOptions<RawServer, RawRequest, RawReply, RouteGeneric, ContextConfig, SchemaCompiler>): FastifyInstance<RawServer, RawRequest, RawReply, Logger>;
+  >(opts: RouteOptions<RawServer, RawRequest, RawReply, RouteGeneric, ContextConfig, SchemaCompiler, Logger>): FastifyInstance<RawServer, RawRequest, RawReply, Logger>;
 
   get: RouteShorthandMethod<RawServer, RawRequest, RawReply>;
   head: RouteShorthandMethod<RawServer, RawRequest, RawReply>;
@@ -117,10 +117,11 @@ export interface FastifyInstance<
    */
   addHook<
     RouteGeneric extends RouteGenericInterface = RouteGenericInterface,
-    ContextConfig = ContextConfigDefault
+    ContextConfig = ContextConfigDefault,
+    Logger extends FastifyLoggerInstance = FastifyLoggerInstance
   >(
     name: 'onRequest',
-    hook: onRequestHookHandler<RawServer, RawRequest, RawReply, RouteGeneric, ContextConfig>
+    hook: onRequestHookHandler<RawServer, RawRequest, RawReply, RouteGeneric, ContextConfig, Logger>
   ): FastifyInstance<RawServer, RawRequest, RawReply, Logger>;
 
   addHook<
@@ -128,7 +129,7 @@ export interface FastifyInstance<
     ContextConfig = ContextConfigDefault
   >(
     name: 'onRequest',
-    hook: onRequestAsyncHookHandler<RawServer, RawRequest, RawReply, RouteGeneric, ContextConfig>
+    hook: onRequestAsyncHookHandler<RawServer, RawRequest, RawReply, RouteGeneric, ContextConfig, Logger>
   ): FastifyInstance<RawServer, RawRequest, RawReply, Logger>;
 
   /**
@@ -140,7 +141,7 @@ export interface FastifyInstance<
     ContextConfig = ContextConfigDefault
   >(
     name: 'preParsing',
-    hook: preParsingHookHandler<RawServer, RawRequest, RawReply, RouteGeneric, ContextConfig>
+    hook: preParsingHookHandler<RawServer, RawRequest, RawReply, RouteGeneric, ContextConfig, Logger>
   ): FastifyInstance<RawServer, RawRequest, RawReply, Logger>;
 
   addHook<
@@ -148,7 +149,7 @@ export interface FastifyInstance<
     ContextConfig = ContextConfigDefault
   >(
     name: 'preParsing',
-    hook: preParsingAsyncHookHandler<RawServer, RawRequest, RawReply, RouteGeneric, ContextConfig>
+    hook: preParsingAsyncHookHandler<RawServer, RawRequest, RawReply, RouteGeneric, ContextConfig, Logger>
   ): FastifyInstance<RawServer, RawRequest, RawReply, Logger>;
 
   /**
@@ -156,18 +157,20 @@ export interface FastifyInstance<
    */
   addHook<
     RouteGeneric extends RouteGenericInterface = RouteGenericInterface,
-    ContextConfig = ContextConfigDefault
+    ContextConfig = ContextConfigDefault,
+    Logger extends FastifyLoggerInstance = FastifyLoggerInstance
   >(
     name: 'preValidation',
-    hook: preValidationHookHandler<RawServer, RawRequest, RawReply, RouteGeneric, ContextConfig>
+    hook: preValidationHookHandler<RawServer, RawRequest, RawReply, RouteGeneric, ContextConfig, Logger>
   ): FastifyInstance<RawServer, RawRequest, RawReply, Logger>;
 
   addHook<
     RouteGeneric extends RouteGenericInterface = RouteGenericInterface,
-    ContextConfig = ContextConfigDefault
+    ContextConfig = ContextConfigDefault,
+    Logger extends FastifyLoggerInstance = FastifyLoggerInstance
   >(
     name: 'preValidation',
-    hook: preValidationAsyncHookHandler<RawServer, RawRequest, RawReply, RouteGeneric, ContextConfig>
+    hook: preValidationAsyncHookHandler<RawServer, RawRequest, RawReply, RouteGeneric, ContextConfig, Logger>
   ): FastifyInstance<RawServer, RawRequest, RawReply, Logger>;
 
   /**
@@ -175,18 +178,20 @@ export interface FastifyInstance<
    */
   addHook<
     RouteGeneric extends RouteGenericInterface = RouteGenericInterface,
-    ContextConfig = ContextConfigDefault
+    ContextConfig = ContextConfigDefault,
+    Logger extends FastifyLoggerInstance = FastifyLoggerInstance
   >(
     name: 'preHandler',
-    hook: preHandlerHookHandler<RawServer, RawRequest, RawReply, RouteGeneric, ContextConfig>
+    hook: preHandlerHookHandler<RawServer, RawRequest, RawReply, RouteGeneric, ContextConfig, Logger>
   ): FastifyInstance<RawServer, RawRequest, RawReply, Logger>;
 
   addHook<
     RouteGeneric extends RouteGenericInterface = RouteGenericInterface,
-    ContextConfig = ContextConfigDefault
+    ContextConfig = ContextConfigDefault,
+    Logger extends FastifyLoggerInstance = FastifyLoggerInstance
   >(
     name: 'preHandler',
-    hook: preHandlerAsyncHookHandler<RawServer, RawRequest, RawReply, RouteGeneric, ContextConfig>
+    hook: preHandlerAsyncHookHandler<RawServer, RawRequest, RawReply, RouteGeneric, ContextConfig, Logger>
   ): FastifyInstance<RawServer, RawRequest, RawReply, Logger>;
 
   /**
@@ -196,19 +201,21 @@ export interface FastifyInstance<
   addHook<
     PreSerializationPayload = unknown,
     RouteGeneric extends RouteGenericInterface = RouteGenericInterface,
-    ContextConfig = ContextConfigDefault
+    ContextConfig = ContextConfigDefault,
+    Logger extends FastifyLoggerInstance = FastifyLoggerInstance
   >(
     name: 'preSerialization',
-    hook: preSerializationHookHandler<PreSerializationPayload, RawServer, RawRequest, RawReply, RouteGeneric, ContextConfig>
+    hook: preSerializationHookHandler<PreSerializationPayload, RawServer, RawRequest, RawReply, RouteGeneric, ContextConfig, Logger>
   ): FastifyInstance<RawServer, RawRequest, RawReply, Logger>;
 
   addHook<
     PreSerializationPayload = unknown,
     RouteGeneric extends RouteGenericInterface = RouteGenericInterface,
-    ContextConfig = ContextConfigDefault
+    ContextConfig = ContextConfigDefault,
+    Logger extends FastifyLoggerInstance = FastifyLoggerInstance
   >(
     name: 'preSerialization',
-    hook: preSerializationAsyncHookHandler<PreSerializationPayload, RawServer, RawRequest, RawReply, RouteGeneric, ContextConfig>
+    hook: preSerializationAsyncHookHandler<PreSerializationPayload, RawServer, RawRequest, RawReply, RouteGeneric, ContextConfig, Logger>
   ): FastifyInstance<RawServer, RawRequest, RawReply, Logger>;
 
   /**
@@ -218,19 +225,21 @@ export interface FastifyInstance<
   addHook<
     OnSendPayload = unknown,
     RouteGeneric extends RouteGenericInterface = RouteGenericInterface,
-    ContextConfig = ContextConfigDefault
+    ContextConfig = ContextConfigDefault,
+    Logger extends FastifyLoggerInstance = FastifyLoggerInstance
   >(
     name: 'onSend',
-    hook: onSendHookHandler<OnSendPayload, RawServer, RawRequest, RawReply, RouteGeneric, ContextConfig>
+    hook: onSendHookHandler<OnSendPayload, RawServer, RawRequest, RawReply, RouteGeneric, ContextConfig, Logger>
   ): FastifyInstance<RawServer, RawRequest, RawReply, Logger>;
 
   addHook<
     OnSendPayload = unknown,
     RouteGeneric extends RouteGenericInterface = RouteGenericInterface,
-    ContextConfig = ContextConfigDefault
+    ContextConfig = ContextConfigDefault,
+    Logger extends FastifyLoggerInstance = FastifyLoggerInstance
   >(
     name: 'onSend',
-    hook: onSendAsyncHookHandler<OnSendPayload, RawServer, RawRequest, RawReply, RouteGeneric, ContextConfig>
+    hook: onSendAsyncHookHandler<OnSendPayload, RawServer, RawRequest, RawReply, RouteGeneric, ContextConfig, Logger>
   ): FastifyInstance<RawServer, RawRequest, RawReply, Logger>;
 
   /**
@@ -239,18 +248,20 @@ export interface FastifyInstance<
    */
   addHook<
     RouteGeneric extends RouteGenericInterface = RouteGenericInterface,
-    ContextConfig = ContextConfigDefault
+    ContextConfig = ContextConfigDefault,
+    Logger extends FastifyLoggerInstance = FastifyLoggerInstance,
   >(
     name: 'onResponse',
-    hook: onResponseHookHandler<RawServer, RawRequest, RawReply, RouteGeneric, ContextConfig>
+    hook: onResponseHookHandler<RawServer, RawRequest, RawReply, RouteGeneric, ContextConfig, Logger>
   ): FastifyInstance<RawServer, RawRequest, RawReply, Logger>;
 
   addHook<
     RouteGeneric extends RouteGenericInterface = RouteGenericInterface,
-    ContextConfig = ContextConfigDefault
+    ContextConfig = ContextConfigDefault,
+    Logger extends FastifyLoggerInstance = FastifyLoggerInstance,
   >(
     name: 'onResponse',
-    hook: onResponseAsyncHookHandler<RawServer, RawRequest, RawReply, RouteGeneric, ContextConfig>
+    hook: onResponseAsyncHookHandler<RawServer, RawRequest, RawReply, RouteGeneric, ContextConfig, Logger>
   ): FastifyInstance<RawServer, RawRequest, RawReply, Logger>;
 
   /**
@@ -259,18 +270,20 @@ export interface FastifyInstance<
    */
   addHook<
     RouteGeneric extends RouteGenericInterface = RouteGenericInterface,
-    ContextConfig = ContextConfigDefault
+    ContextConfig = ContextConfigDefault,
+    Logger extends FastifyLoggerInstance = FastifyLoggerInstance,
   >(
     name: 'onTimeout',
-    hook: onTimeoutHookHandler<RawServer, RawRequest, RawReply, RouteGeneric, ContextConfig>
+    hook: onTimeoutHookHandler<RawServer, RawRequest, RawReply, RouteGeneric, ContextConfig, Logger>
   ): FastifyInstance<RawServer, RawRequest, RawReply, Logger>;
 
   addHook<
     RouteGeneric extends RouteGenericInterface = RouteGenericInterface,
-    ContextConfig = ContextConfigDefault
+    ContextConfig = ContextConfigDefault,
+    Logger extends FastifyLoggerInstance = FastifyLoggerInstance,
   >(
     name: 'onTimeout',
-    hook: onTimeoutAsyncHookHandler<RawServer, RawRequest, RawReply, RouteGeneric, ContextConfig>
+    hook: onTimeoutAsyncHookHandler<RawServer, RawRequest, RawReply, RouteGeneric, ContextConfig, Logger>
   ): FastifyInstance<RawServer, RawRequest, RawReply, Logger>;
 
   /**
@@ -281,18 +294,20 @@ export interface FastifyInstance<
    */
   addHook<
     RouteGeneric extends RouteGenericInterface = RouteGenericInterface,
-    ContextConfig = ContextConfigDefault
+    ContextConfig = ContextConfigDefault,
+    Logger extends FastifyLoggerInstance = FastifyLoggerInstance,
   >(
     name: 'onError',
-    hook: onErrorHookHandler<RawServer, RawRequest, RawReply, RouteGeneric, ContextConfig>
+    hook: onErrorHookHandler<RawServer, RawRequest, RawReply, RouteGeneric, ContextConfig, FastifyError, Logger>
   ): FastifyInstance<RawServer, RawRequest, RawReply, Logger>;
 
   addHook<
     RouteGeneric extends RouteGenericInterface = RouteGenericInterface,
-    ContextConfig = ContextConfigDefault
+    ContextConfig = ContextConfigDefault,
+    Logger extends FastifyLoggerInstance = FastifyLoggerInstance,
   >(
     name: 'onError',
-    hook: onErrorAsyncHookHandler<RawServer, RawRequest, RawReply, RouteGeneric, ContextConfig>
+    hook: onErrorAsyncHookHandler<RawServer, RawRequest, RawReply, RouteGeneric, ContextConfig, FastifyError, Logger>
   ): FastifyInstance<RawServer, RawRequest, RawReply, Logger>;
 
   // Application addHooks
@@ -302,10 +317,11 @@ export interface FastifyInstance<
    */
   addHook<
     RouteGeneric extends RouteGenericInterface = RouteGenericInterface,
-    ContextConfig = ContextConfigDefault
+    ContextConfig = ContextConfigDefault,
+    Logger extends FastifyLoggerInstance = FastifyLoggerInstance,
   >(
     name: 'onRoute',
-    hook: onRouteHookHandler<RawServer, RawRequest, RawReply, RouteGeneric, ContextConfig>
+    hook: onRouteHookHandler<RawServer, RawRequest, RawReply, RouteGeneric, ContextConfig, Logger>
   ): FastifyInstance<RawServer, RawRequest, RawReply, Logger>;
 
   /**
diff --git a/types/request.d.ts b/types/request.d.ts
index 93dab01316..6ce532e092 100644
--- a/types/request.d.ts
+++ b/types/request.d.ts
@@ -20,13 +20,14 @@ export interface FastifyRequest<
   RawServer extends RawServerBase = RawServerDefault,
   RawRequest extends RawRequestDefaultExpression<RawServer> = RawRequestDefaultExpression<RawServer>,
   ContextConfig = ContextConfigDefault,
+  Logger extends FastifyLoggerInstance = FastifyLoggerInstance
 > {
   id: any;
   params: RouteGeneric['Params'];
   raw: RawRequest;
   query: RouteGeneric['Querystring'];
   headers: RawRequest['headers'] & RouteGeneric['Headers']; // this enables the developer to extend the existing http(s|2) headers list
-  log: FastifyLoggerInstance;
+  log: Logger;
   server: FastifyInstance;
   body: RouteGeneric['Body'];
   context: FastifyContext<ContextConfig>;
diff --git a/types/route.d.ts b/types/route.d.ts
index 5cd01033a3..789dd27c4b 100644
--- a/types/route.d.ts
+++ b/types/route.d.ts
@@ -3,7 +3,7 @@ import { FastifyRequest, RequestGenericInterface } from './request'
 import { FastifyReply, ReplyGenericInterface } from './reply'
 import { FastifySchema, FastifySchemaCompiler, FastifySchemaValidationError, FastifySerializerCompiler } from './schema'
 import { HTTPMethods, RawServerBase, RawServerDefault, RawRequestDefaultExpression, RawReplyDefaultExpression, ContextConfigDefault } from './utils'
-import { LogLevel } from './logger'
+import { FastifyLoggerInstance, LogLevel } from './logger'
 import { preValidationHookHandler, preHandlerHookHandler, preSerializationHookHandler, onRequestHookHandler, preParsingHookHandler, onResponseHookHandler, onSendHookHandler, onErrorHookHandler, onTimeoutHookHandler } from './hooks'
 import { FastifyError } from 'fastify-error'
 import { FastifyContext } from './context'
@@ -20,6 +20,7 @@ export interface RouteShorthandOptions<
   RouteGeneric extends RouteGenericInterface = RouteGenericInterface,
   ContextConfig = ContextConfigDefault,
   SchemaCompiler = FastifySchema,
+  Logger extends FastifyLoggerInstance = FastifyLoggerInstance
 > {
   schema?: FastifySchema;
   attachValidation?: boolean;
@@ -37,15 +38,15 @@ export interface RouteShorthandOptions<
   schemaErrorFormatter?: (errors: FastifySchemaValidationError[], dataVar: string) => Error;
 
   // hooks
-  onRequest?: onRequestHookHandler<RawServer, RawRequest, RawReply, RouteGeneric, ContextConfig> | onRequestHookHandler<RawServer, RawRequest, RawReply, RouteGeneric, ContextConfig>[];
-  preParsing?: preParsingHookHandler<RawServer, RawRequest, RawReply, RouteGeneric, ContextConfig> | preParsingHookHandler<RawServer, RawRequest, RawReply, RouteGeneric, ContextConfig>[];
-  preValidation?: preValidationHookHandler<RawServer, RawRequest, RawReply, RouteGeneric, ContextConfig> | preValidationHookHandler<RawServer, RawRequest, RawReply, RouteGeneric, ContextConfig>[];
-  preHandler?: preHandlerHookHandler<RawServer, RawRequest, RawReply, RouteGeneric, ContextConfig> | preHandlerHookHandler<RawServer, RawRequest, RawReply, RouteGeneric, ContextConfig>[];
-  preSerialization?: preSerializationHookHandler<unknown, RawServer, RawRequest, RawReply, RouteGeneric, ContextConfig> | preSerializationHookHandler<unknown, RawServer, RawRequest, RawReply, RouteGeneric, ContextConfig>[];
-  onSend?: onSendHookHandler<unknown, RawServer, RawRequest, RawReply, RouteGeneric, ContextConfig> | onSendHookHandler<unknown, RawServer, RawRequest, RawReply, RouteGeneric, ContextConfig>[];
-  onResponse?: onResponseHookHandler<RawServer, RawRequest, RawReply, RouteGeneric, ContextConfig> | onResponseHookHandler<RawServer, RawRequest, RawReply, RouteGeneric, ContextConfig>[];
-  onTimeout?: onTimeoutHookHandler<RawServer, RawRequest, RawReply, RouteGeneric, ContextConfig> | onTimeoutHookHandler<RawServer, RawRequest, RawReply, RouteGeneric, ContextConfig>[];
-  onError?: onErrorHookHandler<RawServer, RawRequest, RawReply, RouteGeneric, ContextConfig> | onErrorHookHandler<RawServer, RawRequest, RawReply, RouteGeneric, ContextConfig>[];
+  onRequest?: onRequestHookHandler<RawServer, RawRequest, RawReply, RouteGeneric, ContextConfig, Logger> | onRequestHookHandler<RawServer, RawRequest, RawReply, RouteGeneric, ContextConfig, Logger>[];
+  preParsing?: preParsingHookHandler<RawServer, RawRequest, RawReply, RouteGeneric, ContextConfig, Logger> | preParsingHookHandler<RawServer, RawRequest, RawReply, RouteGeneric, ContextConfig, Logger>[];
+  preValidation?: preValidationHookHandler<RawServer, RawRequest, RawReply, RouteGeneric, ContextConfig, Logger> | preValidationHookHandler<RawServer, RawRequest, RawReply, RouteGeneric, ContextConfig, Logger>[];
+  preHandler?: preHandlerHookHandler<RawServer, RawRequest, RawReply, RouteGeneric, ContextConfig, Logger> | preHandlerHookHandler<RawServer, RawRequest, RawReply, RouteGeneric, ContextConfig, Logger>[];
+  preSerialization?: preSerializationHookHandler<unknown, RawServer, RawRequest, RawReply, RouteGeneric, ContextConfig, Logger> | preSerializationHookHandler<unknown, RawServer, RawRequest, RawReply, RouteGeneric, ContextConfig, Logger>[];
+  onSend?: onSendHookHandler<unknown, RawServer, RawRequest, RawReply, RouteGeneric, ContextConfig, Logger> | onSendHookHandler<unknown, RawServer, RawRequest, RawReply, RouteGeneric, ContextConfig, Logger>[];
+  onResponse?: onResponseHookHandler<RawServer, RawRequest, RawReply, RouteGeneric, ContextConfig, Logger> | onResponseHookHandler<RawServer, RawRequest, RawReply, RouteGeneric, ContextConfig, Logger>[];
+  onTimeout?: onTimeoutHookHandler<RawServer, RawRequest, RawReply, RouteGeneric, ContextConfig, Logger> | onTimeoutHookHandler<RawServer, RawRequest, RawReply, RouteGeneric, ContextConfig, Logger>[];
+  onError?: onErrorHookHandler<RawServer, RawRequest, RawReply, RouteGeneric, ContextConfig, FastifyError, Logger> | onErrorHookHandler<RawServer, RawRequest, RawReply, RouteGeneric, ContextConfig, FastifyError, Logger>[];
 }
 
 /**
@@ -56,10 +57,11 @@ export type RouteHandlerMethod<
   RawRequest extends RawRequestDefaultExpression<RawServer> = RawRequestDefaultExpression<RawServer>,
   RawReply extends RawReplyDefaultExpression<RawServer> = RawReplyDefaultExpression<RawServer>,
   RouteGeneric extends RouteGenericInterface = RouteGenericInterface,
-  ContextConfig = ContextConfigDefault
+  ContextConfig = ContextConfigDefault,
+  Logger extends FastifyLoggerInstance = FastifyLoggerInstance
 > = (
-  this: FastifyInstance<RawServer, RawRequest, RawReply>,
-  request: FastifyRequest<RouteGeneric, RawServer, RawRequest, ContextConfig>,
+  this: FastifyInstance<RawServer, RawRequest, RawReply, Logger>,
+  request: FastifyRequest<RouteGeneric, RawServer, RawRequest, ContextConfig, Logger>,
   reply: FastifyReply<RawServer, RawRequest, RawReply, RouteGeneric, ContextConfig>
 ) => void | Promise<RouteGeneric['Reply'] | void>
 
@@ -73,8 +75,9 @@ export interface RouteShorthandOptionsWithHandler<
   RouteGeneric extends RouteGenericInterface = RouteGenericInterface,
   ContextConfig = ContextConfigDefault,
   SchemaCompiler = FastifySchema,
-> extends RouteShorthandOptions<RawServer, RawRequest, RawReply, RouteGeneric, ContextConfig, SchemaCompiler> {
-  handler: RouteHandlerMethod<RawServer, RawRequest, RawReply, RouteGeneric, ContextConfig>;
+  Logger extends FastifyLoggerInstance = FastifyLoggerInstance
+> extends RouteShorthandOptions<RawServer, RawRequest, RawReply, RouteGeneric, ContextConfig, SchemaCompiler, Logger> {
+  handler: RouteHandlerMethod<RawServer, RawRequest, RawReply, RouteGeneric, ContextConfig, Logger>;
 }
 
 /**
@@ -85,19 +88,19 @@ export interface RouteShorthandMethod<
   RawRequest extends RawRequestDefaultExpression<RawServer> = RawRequestDefaultExpression<RawServer>,
   RawReply extends RawReplyDefaultExpression<RawServer> = RawReplyDefaultExpression<RawServer>,
 > {
-  <RouteGeneric extends RouteGenericInterface = RouteGenericInterface, ContextConfig = ContextConfigDefault, SchemaCompiler = FastifySchema>(
+  <RouteGeneric extends RouteGenericInterface = RouteGenericInterface, ContextConfig = ContextConfigDefault, SchemaCompiler = FastifySchema, Logger extends FastifyLoggerInstance = FastifyLoggerInstance>(
     path: string,
-    opts: RouteShorthandOptions<RawServer, RawRequest, RawReply, RouteGeneric, ContextConfig, SchemaCompiler>,
-    handler: RouteHandlerMethod<RawServer, RawRequest, RawReply, RouteGeneric, ContextConfig>
-  ): FastifyInstance<RawServer, RawRequest, RawReply>;
-  <RouteGeneric extends RouteGenericInterface = RouteGenericInterface, ContextConfig = ContextConfigDefault>(
+    opts: RouteShorthandOptions<RawServer, RawRequest, RawReply, RouteGeneric, ContextConfig, SchemaCompiler, Logger>,
+    handler: RouteHandlerMethod<RawServer, RawRequest, RawReply, RouteGeneric, ContextConfig, Logger>
+  ): FastifyInstance<RawServer, RawRequest, RawReply, Logger>;
+  <RouteGeneric extends RouteGenericInterface = RouteGenericInterface, ContextConfig = ContextConfigDefault, Logger extends FastifyLoggerInstance = FastifyLoggerInstance>(
     path: string,
-    handler: RouteHandlerMethod<RawServer, RawRequest, RawReply, RouteGeneric, ContextConfig>
-  ): FastifyInstance<RawServer, RawRequest, RawReply>;
-  <RouteGeneric extends RouteGenericInterface = RouteGenericInterface, ContextConfig = ContextConfigDefault, SchemaCompiler = FastifySchema>(
+    handler: RouteHandlerMethod<RawServer, RawRequest, RawReply, RouteGeneric, ContextConfig, Logger>
+  ): FastifyInstance<RawServer, RawRequest, RawReply, Logger>;
+  <RouteGeneric extends RouteGenericInterface = RouteGenericInterface, ContextConfig = ContextConfigDefault, SchemaCompiler = FastifySchema, Logger extends FastifyLoggerInstance = FastifyLoggerInstance>(
     path: string,
-    opts: RouteShorthandOptionsWithHandler<RawServer, RawRequest, RawReply, RouteGeneric, ContextConfig, SchemaCompiler>
-  ): FastifyInstance<RawServer, RawRequest, RawReply>;
+    opts: RouteShorthandOptionsWithHandler<RawServer, RawRequest, RawReply, RouteGeneric, ContextConfig, SchemaCompiler, Logger>
+  ): FastifyInstance<RawServer, RawRequest, RawReply, Logger>;
 }
 
 /**
@@ -110,10 +113,11 @@ export interface RouteOptions<
   RouteGeneric extends RouteGenericInterface = RouteGenericInterface,
   ContextConfig = ContextConfigDefault,
   SchemaCompiler = FastifySchema,
-> extends RouteShorthandOptions<RawServer, RawRequest, RawReply, RouteGeneric, ContextConfig, SchemaCompiler> {
+  Logger extends FastifyLoggerInstance = FastifyLoggerInstance
+> extends RouteShorthandOptions<RawServer, RawRequest, RawReply, RouteGeneric, ContextConfig, SchemaCompiler, Logger> {
   method: HTTPMethods | HTTPMethods[];
   url: string;
-  handler: RouteHandlerMethod<RawServer, RawRequest, RawReply, RouteGeneric, ContextConfig>;
+  handler: RouteHandlerMethod<RawServer, RawRequest, RawReply, RouteGeneric, ContextConfig, Logger>;
 }
 
 export type RouteHandler<
@@ -121,10 +125,11 @@ export type RouteHandler<
   RawServer extends RawServerBase = RawServerDefault,
   RawRequest extends RawRequestDefaultExpression<RawServer> = RawRequestDefaultExpression<RawServer>,
   RawReply extends RawReplyDefaultExpression<RawServer> = RawReplyDefaultExpression<RawServer>,
-  ContextConfig = ContextConfigDefault
+  ContextConfig = ContextConfigDefault,
+  Logger extends FastifyLoggerInstance = FastifyLoggerInstance
 > = (
-  this: FastifyInstance<RawServer, RawRequest, RawReply>,
-  request: FastifyRequest<RouteGeneric, RawServer, RawRequest>,
+  this: FastifyInstance<RawServer, RawRequest, RawReply, Logger>,
+  request: FastifyRequest<RouteGeneric, RawServer, RawRequest, ContextConfig, Logger>,
   reply: FastifyReply<RawServer, RawRequest, RawReply, RouteGeneric, ContextConfig>
 ) => void | Promise<RouteGeneric['Reply'] | void>