diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 55a22065..18cbc7c1 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -10,7 +10,7 @@ jobs:
       - uses: actions/checkout@v3
 
       - name: Set up Python ${{ matrix.python-version }}
-        uses: actions/setup-python@v1
+        uses: actions/setup-python@v4.3.0
         with:
           python-version: 3.9