diff --git a/.github/workflows/Lint.yml b/.github/workflows/Lint.yml
index 83e540a39..3cc73ef3e 100644
--- a/.github/workflows/Lint.yml
+++ b/.github/workflows/Lint.yml
@@ -52,7 +52,7 @@ jobs:
 
       - name: PHPStan
         run: |
-          composer require --dev phpstan/phpstan 1.11.8
+          composer require --dev phpstan/phpstan 1.11.9
           ./upload/system/storage/vendor/bin/phpstan analyze --no-progress
 
       - name: Code style