diff --git a/.github/workflows/backend-ci.yaml b/.github/workflows/backend-ci.yaml
index 3938a25..c557978 100644
--- a/.github/workflows/backend-ci.yaml
+++ b/.github/workflows/backend-ci.yaml
@@ -1,10 +1,11 @@
-name: CI
+name: Backend CI
 
 on:
   push:
     branches:
       - '[0-9]+.[0-9]+'
   pull_request: ~
+  workflow_dispatch: ~
 
 jobs:
   cs-fix:
@@ -19,6 +20,7 @@ jobs:
 
       - uses: ibexa/gh-workflows/actions/composer-install@main
         with:
+          php-version: ${{ matrix.php }}
           gh-client-id: ${{ secrets.AUTOMATION_CLIENT_ID }}
           gh-client-secret: ${{ secrets.AUTOMATION_CLIENT_SECRET }}
 
@@ -46,6 +48,7 @@ jobs:
 
       - uses: ibexa/gh-workflows/actions/composer-install@main
         with:
+          php-version: ${{ matrix.php }}
           gh-client-id: ${{ secrets.AUTOMATION_CLIENT_ID }}
           gh-client-secret: ${{ secrets.AUTOMATION_CLIENT_SECRET }}
 
diff --git a/composer.json b/composer.json
index f0e2feb..4406c33 100644
--- a/composer.json
+++ b/composer.json
@@ -28,6 +28,9 @@
         "phpunit/phpunit": "^9",
         "symfony/phpunit-bridge": "^5.4"
     },
+    "conflict": {
+        "phpstan/phpstan": "2.2.13"
+    },
     "autoload": {
         "psr-4": {
             "Ibexa\\Bundle\\Test\\Core\\": "src/bundle/",