diff --git a/src/index.ts b/src/index.ts
index bebe199..77c2efe 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -1,7 +1,7 @@
 import { isFullArray } from 'is-what'
 import { O, S, F, U } from 'ts-toolbelt'
-import { recursiveOmit } from './recursiveOmit'
-import { recursivePick } from './recursivePick'
+import { recursiveOmit } from './recursiveOmit.js'
+import { recursivePick } from './recursivePick.js'
 
 /**
  * pick returns a new object with only the props you pick
diff --git a/src/recursiveOmit.ts b/src/recursiveOmit.ts
index 842b2df..2b74c31 100644
--- a/src/recursiveOmit.ts
+++ b/src/recursiveOmit.ts
@@ -1,5 +1,5 @@
 import { isPlainObject } from 'is-what'
-import pathsAreEqual from './pathsAreEqual'
+import pathsAreEqual from './pathsAreEqual.js'
 
 export function recursiveOmit<T extends Record<string, any>, OmittedKeys extends string[]>(
   obj: T,
diff --git a/src/recursivePick.ts b/src/recursivePick.ts
index c0c4943..0e033c8 100644
--- a/src/recursivePick.ts
+++ b/src/recursivePick.ts
@@ -1,5 +1,5 @@
 import { isPlainObject } from 'is-what'
-import pathsAreEqual from './pathsAreEqual'
+import pathsAreEqual from './pathsAreEqual.js'
 
 export function recursivePick<T extends Record<string, any>, PickedKeys extends string[]>(
   obj: T,