diff --git a/.github/workflows/trivy-analysis.yml b/.github/workflows/trivy-analysis.yml
index 52ccde2..b7ab9d9 100644
--- a/.github/workflows/trivy-analysis.yml
+++ b/.github/workflows/trivy-analysis.yml
@@ -16,7 +16,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Build an image from Dockerfile
         run: |
diff --git a/.github/workflows/update-base-image.yml b/.github/workflows/update-base-image.yml
index 216bf94..b87afe3 100644
--- a/.github/workflows/update-base-image.yml
+++ b/.github/workflows/update-base-image.yml
@@ -36,7 +36,7 @@ jobs:
           username: ${{ secrets.DOCKER_USERNAME }}
           password: ${{ secrets.DOCKER_PASSWORD }}
       - name: "Checkout repository"
-        uses: "actions/checkout@v3"
+        uses: "actions/checkout@v4"
       - 
         name: "Get p2pool Release Tag"
         id: get_tag
diff --git a/.github/workflows/update-image-on-push.yml b/.github/workflows/update-image-on-push.yml
index a3175fc..8e12698 100644
--- a/.github/workflows/update-image-on-push.yml
+++ b/.github/workflows/update-image-on-push.yml
@@ -38,7 +38,7 @@ jobs:
           username: ${{ secrets.DOCKER_USERNAME }}
           password: ${{ secrets.DOCKER_PASSWORD }}
       - name: "Checkout repository"
-        uses: "actions/checkout@v3"
+        uses: "actions/checkout@v4"
       - 
         name: "Get p2pool Release Tag"
         id: get_tag