diff --git a/.github/workflows/phpstan.yaml b/.github/workflows/phpstan.yaml
index 7ac453556fc5..3872a57941f4 100644
--- a/.github/workflows/phpstan.yaml
+++ b/.github/workflows/phpstan.yaml
@@ -15,5 +15,7 @@ jobs:
                 with:
                     php-version: 7.3
                     coverage: none
+                    tools: cs2pr
             -   run: composer install --no-progress
-            -   run: composer phpstan
+            # turn the phpstan errors (formatted in checkstyle-format) into github pull request check annotations
+            -   run: composer phpstan -- --error-format=checkstyle | cs2pr