diff --git a/.github/workflows/check.yml b/.github/workflows/check.yml
index 3e2bd63..e25860c 100644
--- a/.github/workflows/check.yml
+++ b/.github/workflows/check.yml
@@ -54,3 +54,6 @@ jobs:
 
     - name: Run phpunit
       run: composer phpunit
+
+    - name: Run phpstan
+      run: composer phpstan