diff --git a/CHANGELOG.md b/CHANGELOG.md
index 86e050e..a12ad1e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,8 @@
 # Changelog
 
+## v0.4.0
+* CLI option `--environ-file`
+
 ## v0.3.1
 * Fix: exit code regression for failed runs
 
diff --git a/package-lock.json b/package-lock.json
index 9562000..17e8296 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "@lonocloud/dctest",
-  "version": "0.3.1",
+  "version": "0.4.0",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "@lonocloud/dctest",
-      "version": "0.3.1",
+      "version": "0.4.0",
       "license": "SEE LICENSE IN LICENSE",
       "dependencies": {
         "@dotenvx/dotenvx": "^1.24.0",
diff --git a/package.json b/package.json
index 86528e3..c998db1 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@lonocloud/dctest",
-  "version": "0.3.1",
+  "version": "0.4.0",
   "license": "SEE LICENSE IN LICENSE",
   "description": "docker-compose integration test runner",
   "main": "index.js",