diff --git a/.github/workflows/basics.yml b/.github/workflows/basics.yml
index 1f49f58f..b86688a8 100644
--- a/.github/workflows/basics.yml
+++ b/.github/workflows/basics.yml
@@ -91,6 +91,8 @@ jobs:
   phpstan:
     name: "PHPStan"
     uses: PHPCSStandards/.github/.github/workflows/reusable-phpstan.yml@main
+    with:
+      phpstanVersion: '1.x'
 
   markdownlint:
     name: 'Lint Markdown'