diff --git a/CHANGELOG.md b/CHANGELOG.md
index 08e5a55..7f3173f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Changelog of Pixel Core
 
+## 4.0.1 (April 03, 2022)
+
+- Fixes wrong dependency in `@millihq/pixel-express`
+
 ## 4.0.0 (April 03, 2022)
 
 - Removes caching from `@millihq/pixel-core`
diff --git a/packages/core/package.json b/packages/core/package.json
index 3029506..714378c 100644
--- a/packages/core/package.json
+++ b/packages/core/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@millihq/pixel-core",
-  "version": "4.0.0",
+  "version": "4.0.1",
   "main": "./dist/image-optimizer.js",
   "types": "./dist/image-optimizer.d.ts",
   "license": "Apache-2.0",
diff --git a/packages/express/package.json b/packages/express/package.json
index 84156a9..60e89d9 100644
--- a/packages/express/package.json
+++ b/packages/express/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@millihq/pixel-express",
-  "version": "4.0.0",
+  "version": "4.0.1",
   "main": "./dist/middleware.js",
   "types": "./dist/middleware.d.ts",
   "license": "Apache-2.0",
@@ -17,7 +17,7 @@
     "postpack": "rm ./LICENSE ./CHANGELOG.md"
   },
   "dependencies": {
-    "@millihq/pixel-core": "^3.0.0"
+    "@millihq/pixel-core": "^4.0.0"
   },
   "devDependencies": {
     "@types/express": "^4.17.13",