diff --git a/.github/workflows/phpstan.yml b/.github/workflows/phpstan.yml
index a8b5647..56fd0e3 100644
--- a/.github/workflows/phpstan.yml
+++ b/.github/workflows/phpstan.yml
@@ -15,7 +15,7 @@ jobs:
           php-version: 8.3
 
       - name: Install composer dependencies
-        uses: ramsey/composer-install@v3
+        uses: ramsey/composer-install@v4
 
       - name: Run PHPStan
         run: vendor/bin/phpstan --error-format=github