diff --git a/CHANGELOG.md b/CHANGELOG.md
index c7a5652..6bce089 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,13 @@
 
 All notable changes to this project will be documented in this file. See [standard-version](https://github.com/conventional-changelog/standard-version) for commit guidelines.
 
+### [0.4.1](https://github.com/wowserhq/stormjs/compare/v0.4.0...v0.4.1) (2020-05-27)
+
+
+### Bug Fixes
+
+* use explicit file extensions with es modules ([d8c2236](https://github.com/wowserhq/stormjs/commit/d8c223651ad277f41bda1068af26e970d9fe6e41))
+
 ## [0.4.0](https://github.com/wowserhq/stormjs/compare/v0.3.0...v0.4.0) (2020-05-27)
 
 
diff --git a/package-lock.json b/package-lock.json
index 82eeb0b..60e618d 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "@wowserhq/stormjs",
-  "version": "0.4.0",
+  "version": "0.4.1",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
diff --git a/package.json b/package.json
index d905888..f21dec4 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@wowserhq/stormjs",
-  "version": "0.4.0",
+  "version": "0.4.1",
   "description": "StormLib for Javascript, powered by Emscripten",
   "main": "dist/index",
   "module": "dist/index.mjs",