diff --git a/src/core/Caustics.ts b/src/core/Caustics.ts
index 8347a21..8fa974d 100644
--- a/src/core/Caustics.ts
+++ b/src/core/Caustics.ts
@@ -1,6 +1,6 @@
 import * as THREE from 'three'
 import { shaderMaterial } from './shaderMaterial'
-import { FullScreenQuad } from 'three/examples/jsm/postprocessing/Pass'
+import { FullScreenQuad } from 'three/examples/jsm/postprocessing/Pass.js'
 import { useFBO } from './useFBO'
 import { PlaneGeometry } from 'three'
 
diff --git a/src/core/Outlines.ts b/src/core/Outlines.ts
index 221c05b..7b61fba 100644
--- a/src/core/Outlines.ts
+++ b/src/core/Outlines.ts
@@ -1,6 +1,6 @@
 import { shaderMaterial } from './shaderMaterial'
 import * as THREE from 'three'
-import { toCreasedNormals } from 'three/examples/jsm/utils/BufferGeometryUtils'
+import { toCreasedNormals } from 'three/examples/jsm/utils/BufferGeometryUtils.js'
 
 export type OutlinesProps = {
   /** Outline color, default: black */