diff --git a/packages/next/next-server/server/render.tsx b/packages/next/next-server/server/render.tsx
index 5cda0722c6553ce..2044373d6a44774 100644
--- a/packages/next/next-server/server/render.tsx
+++ b/packages/next/next-server/server/render.tsx
@@ -44,7 +44,11 @@ import {
   NextComponentType,
   RenderPage,
 } from '../lib/utils'
-import { tryGetPreviewData, __ApiPreviewProps } from './api-utils'
+import {
+  tryGetPreviewData,
+  NextApiRequestCookies,
+  __ApiPreviewProps,
+} from './api-utils'
 import { denormalizePagePath } from './denormalize-page-path'
 import { FontManifest, getFontDefinitionFromManifest } from './font-utils'
 import { LoadComponentsReturnType, ManifestItem } from './load-components'
@@ -796,7 +800,9 @@ export async function renderToHTML(
 
       try {
         data = await getServerSideProps({
-          req,
+          req: req as IncomingMessage & {
+            cookies: NextApiRequestCookies
+          },
           res,
           query,
           resolvedUrl: renderOpts.resolvedUrl as string,
diff --git a/packages/next/types/index.d.ts b/packages/next/types/index.d.ts
index 3a18b705f9a330e..8c70d3ecfc0a4b1 100644
--- a/packages/next/types/index.d.ts
+++ b/packages/next/types/index.d.ts
@@ -15,6 +15,11 @@ import {
   // @ts-ignore This path is generated at build time and conflicts otherwise
 } from '../dist/next-server/lib/utils'
 
+import {
+  NextApiRequestCookies,
+  // @ts-ignore This path is generated at build time and conflicts otherwise
+} from '../dist/next-server/server/api-utils'
+
 // @ts-ignore This path is generated at build time and conflicts otherwise
 import next from '../dist/server/next'
 
@@ -130,7 +135,7 @@ export type GetServerSidePropsContext<
   Q extends ParsedUrlQuery = ParsedUrlQuery
 > = {
   req: IncomingMessage & {
-    cookies?: { [key: string]: any }
+    cookies: NextApiRequestCookies
   }
   res: ServerResponse
   params?: Q