diff --git a/CHANGELOG.md b/CHANGELOG.md
index 54f45733..13e1c1aa 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # 4.0.2
 
+_Hotfix_:
+
+- Fixed missing 'msg' and 'public' bundle in 4.0.1 on NPM.
+
 _Fixes:_
 
 - Made chart userOptions available within `customCode` as variable `options` [(#551)](https://github.com/highcharts/node-export-server/issues/551).
diff --git a/package-lock.json b/package-lock.json
index 63ce1fdb..172be3fe 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "highcharts-export-server",
-  "version": "4.0.0",
+  "version": "4.0.2",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "highcharts-export-server",
-      "version": "4.0.0",
+      "version": "4.0.2",
       "hasInstallScript": true,
       "license": "MIT",
       "dependencies": {
diff --git a/package.json b/package.json
index 73fa2248..1ece8de2 100644
--- a/package.json
+++ b/package.json
@@ -3,7 +3,7 @@
   "author": "Highsoft AS <support@highcharts.com> (http://www.highcharts.com/about)",
   "license": "MIT",
   "type": "module",
-  "version": "4.0.1",
+  "version": "4.0.2",
   "main": "./dist/index.esm.js",
   "engines": {
     "node": ">=18.12.0"
@@ -14,7 +14,15 @@
       "require": "./dist/index.cjs"
     }
   },
-  "files": ["dist", "bin", "templates", "install.js", "lib"],
+  "files": [
+    "dist",
+    "bin",
+    "templates",
+    "install.js",
+    "lib",
+    "msg",
+    "public"
+  ],
   "repository": {
     "url": "https://github.com/highcharts/node-export-server",
     "type": "git"