diff --git a/.github/workflows/php_quality.yml b/.github/workflows/php_quality.yml
index 54c9896..3386e4a 100644
--- a/.github/workflows/php_quality.yml
+++ b/.github/workflows/php_quality.yml
@@ -104,8 +104,8 @@ jobs:
 
       - name: Install PHPStan
         run: |
-          composer global require phpstan/phpstan
-          composer global require phpstan/extension-installer
+          composer global require phpstan/phpstan "^1.0"
+          composer global require phpstan/extension-installer "^1.0"
 
       - name: Run PHPStan
         run: |