diff --git a/.github/workflows/mutation.yml b/.github/workflows/mutation.yml
index 425a595..9b060ad 100644
--- a/.github/workflows/mutation.yml
+++ b/.github/workflows/mutation.yml
@@ -24,7 +24,7 @@ jobs:
   mutate:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v7
       - uses: actions/setup-python@v6
         with:
           python-version: '3.12'