diff --git a/.github/workflows/mut.yml b/.github/workflows/mut.yml
index adb0089..b10331a 100644
--- a/.github/workflows/mut.yml
+++ b/.github/workflows/mut.yml
@@ -11,7 +11,7 @@ jobs:
     name: Stryker
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2.4.0
+      - uses: actions/checkout@v2.7.0
       - name: Install
         run: npm install
       - name: Run Stryker