diff --git a/.github/workflows/site.yml b/.github/workflows/site.yml
index 1b4df6f4..d9e60946 100644
--- a/.github/workflows/site.yml
+++ b/.github/workflows/site.yml
@@ -16,7 +16,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: check keys file format
         run: ./.github/workflows/check_keys.sh
@@ -27,7 +27,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Set up JDK
         uses: actions/setup-java@v3