diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index f319d67..85f3c0a 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -30,7 +30,7 @@ jobs:
             python-version: 3.11.0-alpha.4
 
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3.1.0
 
     - name: Set up Python ${{ matrix.python-version }}
       uses: actions/setup-python@v2