diff --git a/.github/workflows/tester.yaml b/.github/workflows/tester.yaml
index 859f6b0..0724e33 100644
--- a/.github/workflows/tester.yaml
+++ b/.github/workflows/tester.yaml
@@ -24,7 +24,7 @@ jobs:
         with:
           version: v3.12.1
       - name: Set up Python
-        uses: actions/setup-python@v4
+        uses: actions/setup-python@v5
       - name: Set up Chart Testing
         uses: helm/chart-testing-action@v2.6.0
       - name: Run chart-testing (list-changed)