diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index dc7692d..2851d72 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -35,7 +35,7 @@ jobs:
     - name: Install dependencies
       uses: php-actions/composer@v6
       with:
-        version: 1
+        version: 2
         php_version: ${{ matrix.php-versions }}
 
     - name: Run test suite
diff --git a/composer.json b/composer.json
index b5e7560..fed7546 100644
--- a/composer.json
+++ b/composer.json
@@ -32,5 +32,10 @@
     "psr-0": {
       "rg\\injektor": "src/"
     }
+  },
+  "config": {
+    "allow-plugins": {
+      "ocramius/package-versions": true
+    }
   }
 }