diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index c782733..eeb91ff 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -4,7 +4,7 @@ jobs:
   test:
     runs-on: macOS-10.15
     steps:
-    - uses: actions/checkout@v2.3.2
+    - uses: actions/checkout@v2.3.3
     - name: Run tests
       env: 
         DEVELOPER_DIR: /Applications/Xcode_11.6.app