diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 7b6711e..7a50989 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -4,7 +4,7 @@ jobs:
   test:
     runs-on: macos-12
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: Run tests
       env: 
         DEVELOPER_DIR: /Applications/Xcode_13.4.1.app