diff --git a/index.d.cts b/index.d.cts
new file mode 100644
index 000000000..fc433503e
--- /dev/null
+++ b/index.d.cts
@@ -0,0 +1,2 @@
+import Ava from "./index.js";
+export = Ava;
diff --git a/index.d.ts b/index.d.ts
index 24b722040..50f1570d7 100644
--- a/index.d.ts
+++ b/index.d.ts
@@ -1,9 +1,9 @@
-import type {TestFn} from './types/test-fn';
+import type {TestFn} from './types/test-fn.js';
 
-export * from './types/assertions';
-export * from './types/try-fn';
-export * from './types/test-fn';
-export * from './types/subscribable';
+export * from './types/assertions.js';
+export * from './types/try-fn.js';
+export * from './types/test-fn.js';
+export * from './types/subscribable.js';
 
 /** Call to declare a test, or chain to declare hooks or test modifiers */
 declare const test: TestFn;
diff --git a/package.json b/package.json
index cb2c85406..802dbf9f2 100644
--- a/package.json
+++ b/package.json
@@ -10,13 +10,25 @@
 	},
 	"exports": {
 		".": {
-			"import": "./entrypoints/main.mjs",
-			"require": "./entrypoints/main.cjs"
+			"import": {
+				"types": "./index.d.ts",
+				"default": "./entrypoints/main.mjs"
+			},
+			"require": {
+				"types": "./index.d.cts",
+				"default": "./entrypoints/main.cjs"
+			}
 		},
 		"./eslint-plugin-helper": "./entrypoints/eslint-plugin-helper.cjs",
 		"./plugin": {
-			"import": "./entrypoints/plugin.mjs",
-			"require": "./entrypoints/plugin.cjs"
+			"import": {
+				"types": "./plugin.d.ts",
+				"default": "./entrypoints/plugin.mjs"
+			},
+			"require": {
+				"types": "./plugin.d.cts",
+				"default": "./entrypoints/plugin.cjs"
+			}
 		}
 	},
 	"type": "module",
diff --git a/plugin.d.cts b/plugin.d.cts
new file mode 100644
index 000000000..0cfae42ba
--- /dev/null
+++ b/plugin.d.cts
@@ -0,0 +1 @@
+export * from "./plugin.js";
diff --git a/types/subscribable.ts b/types/subscribable.d.ts
similarity index 100%
rename from types/subscribable.ts
rename to types/subscribable.d.ts
diff --git a/types/test-fn.d.ts b/types/test-fn.d.ts
index bcb9778ab..62b831f0a 100644
--- a/types/test-fn.d.ts
+++ b/types/test-fn.d.ts
@@ -1,6 +1,6 @@
-import type {Assertions} from './assertions';
-import type {Subscribable} from './subscribable';
-import type {TryFn} from './try-fn';
+import type {Assertions} from './assertions.js';
+import type {Subscribable} from './subscribable.js';
+import type {TryFn} from './try-fn.js';
 
 /** The `t` value passed to test & hook implementations. */
 export interface ExecutionContext<Context = unknown> extends Assertions {
diff --git a/types/try-fn.d.ts b/types/try-fn.d.ts
index 41a1664d5..8009df0c9 100644
--- a/types/try-fn.d.ts
+++ b/types/try-fn.d.ts
@@ -1,4 +1,4 @@
-import type {Implementation} from './test-fn';
+import type {Implementation} from './test-fn.js';
 
 export type CommitDiscardOptions = {
 	/**