diff --git a/.github/workflows/basics.yml b/.github/workflows/basics.yml
index 84e5b2a..9a71fd0 100644
--- a/.github/workflows/basics.yml
+++ b/.github/workflows/basics.yml
@@ -102,6 +102,8 @@ jobs:
   phpstan:
     name: "PHPStan"
     uses: PHPCSStandards/.github/.github/workflows/reusable-phpstan.yml@main
+    with:
+      version: '1.x'
 
   remark:
     name: 'QA Markdown'