diff --git a/CHANGELOG.md b/CHANGELOG.md
index dd1fa133..d37adbcb 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,7 +4,7 @@
 	PLACEHOLDER for next version:
 	## __WORK IN PROGRESS__
 -->
-## __WORK IN PROGRESS__
+## 4.0.0 (2022-08-28)
 * BREAKING: Dropped support for Node.js 12
 * Allow skipping test suites (`suite.skip()`) and running single test suites (`suite.only()`)
 
diff --git a/package-lock.json b/package-lock.json
index 887f8675..51e4fcce 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "@iobroker/testing",
-  "version": "3.0.2",
+  "version": "4.0.0",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "@iobroker/testing",
-      "version": "3.0.2",
+      "version": "4.0.0",
       "license": "MIT",
       "dependencies": {
         "alcalzone-shared": "~4.0.3",
diff --git a/package.json b/package.json
index 1468aa9b..740cd6e4 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@iobroker/testing",
-  "version": "3.0.2",
+  "version": "4.0.0",
   "description": "Shared utilities for adapter and module testing in ioBroker",
   "main": "build/index.js",
   "types": "build/index.d.ts",