diff --git a/.github/workflows/heartbeat.yml b/.github/workflows/heartbeat.yml
index 2a85a01..2700b41 100644
--- a/.github/workflows/heartbeat.yml
+++ b/.github/workflows/heartbeat.yml
@@ -16,7 +16,7 @@ jobs:
     runs-on: ubuntu-latest
     timeout-minutes: 5
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
         with:
           sparse-checkout: .github/time
       - run: python3 .github/time/time.py heartbeat