diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index c4c84e8f..d0054496 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -53,5 +53,5 @@ jobs:
     - name: Run Script
       run: |
         composer install
-        composer global require phpstan/phpstan:^1.12
+        composer global require phpstan/phpstan:^1.11
         ~/.composer/vendor/bin/phpstan analyse