diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 850bc4a..dd355dc 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -17,7 +17,7 @@ jobs:
         uses: actions/checkout@v3
 
       - name: Set up Python
-        uses: actions/setup-python@master
+        uses: actions/setup-python@v4
         with:
           python-version: '3.10'