diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index e8d1845..4236ff0 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -17,7 +17,7 @@ jobs:
   lint:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: actions/setup-go@v5
         with:
           go-version: 1.22.x
@@ -31,7 +31,7 @@ jobs:
       - uses: actions/setup-go@v5
         with:
           go-version: ${{ matrix.go }}
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: actions/cache@v4
         with:
           path: ~/go/pkg/mod
@@ -45,7 +45,7 @@ jobs:
     needs: [test]
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: docker/setup-qemu-action@v2
       - uses: docker/setup-buildx-action@v2
       - uses: docker/login-action@v3
@@ -103,7 +103,7 @@ jobs:
     needs: [test]
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: docker/setup-qemu-action@v2
       - uses: docker/setup-buildx-action@v2
       - uses: docker/login-action@v3
diff --git a/.github/workflows/create-release-pr.yml b/.github/workflows/create-release-pr.yml
index d73e4a7..01b6755 100644
--- a/.github/workflows/create-release-pr.yml
+++ b/.github/workflows/create-release-pr.yml
@@ -15,7 +15,7 @@ jobs:
   create:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - uses: mackerelio/mackerel-create-release-pull-request-action@main
         id: start