diff --git a/.github/workflows/monitor.yml b/.github/workflows/monitor.yml
index c8bca97..6f10f03 100644
--- a/.github/workflows/monitor.yml
+++ b/.github/workflows/monitor.yml
@@ -14,7 +14,7 @@ jobs:
 
     steps:
     - name: checkout
-      uses: actions/checkout@v4
+      uses: actions/checkout@v6
 
     - name: check
       run: |