diff --git a/.github/workflows/rector.yaml b/.github/workflows/rector.yaml
index a3d6a44..0ed0d9b 100644
--- a/.github/workflows/rector.yaml
+++ b/.github/workflows/rector.yaml
@@ -12,11 +12,6 @@ jobs:
             -
                 uses: actions/checkout@v3
 
-            -   name: "Set COMPOSER_ROOT_VERSION environment variable"
-                uses: "ergebnis/composer-root-version-action@main"
-                with:
-                    branch: "main"
-
             -
                 uses: shivammathur/setup-php@v2
                 with:
diff --git a/composer.json b/composer.json
index 93875fa..74004dd 100644
--- a/composer.json
+++ b/composer.json
@@ -43,7 +43,7 @@
     },
     "extra": {
         "branch-alias": {
-            "dev-main": "0.3.x-dev"
+            "dev-main": "0.4.x-dev"
         }
     },
     "require-dev": {