diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
new file mode 100644
index 0000000..e858168
--- /dev/null
+++ b/.github/workflows/lint.yml
@@ -0,0 +1,12 @@
+# .github/workflows/lint.yml
+
+on: [push, pull_request]
+
+jobs:
+  php-cs-fixer:
+    name: PHP-CS-Fixer
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - name: PHP-CS-Fixer
+        uses: docker://oskarstark/php-cs-fixer-ga
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 74a03c8..065f4e1 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -16,7 +16,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
 
       - name: Setup PHP
         uses: shivammathur/setup-php@v2