diff --git a/.github/workflows/run-tests.yml b/.github/workflows/run-tests.yml
index 92a78c9..c891db4 100644
--- a/.github/workflows/run-tests.yml
+++ b/.github/workflows/run-tests.yml
@@ -26,5 +26,10 @@ jobs:
       - name: Install composer dependencies
         run: composer install --prefer-dist --no-interaction --no-progress
 
+      - name: Code sniff
+        run: vendor/bin/php-cs-fixer fix --dry-run
+        env:
+          PHP_CS_FIXER_IGNORE_ENV: true
+
       - name: Execute tests
         run: composer test