diff --git a/.github/workflows/ci-remote-image.yaml b/.github/workflows/ci-remote-image.yaml
index 585affe..2ffd1ef 100644
--- a/.github/workflows/ci-remote-image.yaml
+++ b/.github/workflows/ci-remote-image.yaml
@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-22.04
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: pull docker-compose images
         run: docker-compose pull
diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index b892b3d..871039c 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-22.04
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: lint zammad docker-compose file
         run: docker-compose config
@@ -18,7 +18,7 @@ jobs:
     runs-on: ubuntu-22.04
     steps:
       - name: Checkout Code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           fetch-depth: 0