diff --git a/.github/workflows/docker-base.yml b/.github/workflows/docker-base.yml
index 0ec505d..10d7236 100644
--- a/.github/workflows/docker-base.yml
+++ b/.github/workflows/docker-base.yml
@@ -11,7 +11,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       # https://github.com/docker/setup-qemu-action#usage
       - name: Set up QEMU
diff --git a/.github/workflows/docker-image-cuttingedge.yml b/.github/workflows/docker-image-cuttingedge.yml
index 3fe0c15..989e2e4 100644
--- a/.github/workflows/docker-image-cuttingedge.yml
+++ b/.github/workflows/docker-image-cuttingedge.yml
@@ -13,7 +13,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       # https://github.com/docker/setup-qemu-action#usage
       - name: Set up QEMU
diff --git a/.github/workflows/docker-image-master.yml b/.github/workflows/docker-image-master.yml
index 7efce24..48cd8d9 100644
--- a/.github/workflows/docker-image-master.yml
+++ b/.github/workflows/docker-image-master.yml
@@ -15,7 +15,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       # https://github.com/docker/setup-qemu-action#usage
       - name: Set up QEMU