diff --git a/.github/workflows/phpstan.yml b/.github/workflows/phpstan.yml
index 35c5266d..203be325 100644
--- a/.github/workflows/phpstan.yml
+++ b/.github/workflows/phpstan.yml
@@ -17,7 +17,7 @@ jobs:
         uses: php-actions/composer@v6
         with:
           command: update
-          php_version: "7.4"
+          php_version: "8.1"
 
       - name: PHPStan Static Analysis
         uses: php-actions/phpstan@v3