diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 2010383..f8a9f77 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -78,7 +78,7 @@ jobs:
                              qemu-system-x86
 
     - name: Checkout
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
 
     - name: Build qemu_x86_virt
       timeout-minutes: 5
@@ -114,7 +114,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Set up QEMU
         timeout-minutes: 1
diff --git a/.github/workflows/csv.yml b/.github/workflows/csv.yml
index 6056b4a..3778dc4 100644
--- a/.github/workflows/csv.yml
+++ b/.github/workflows/csv.yml
@@ -13,7 +13,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Rebuild
         timeout-minutes: 5
diff --git a/.github/workflows/docker.yml b/.github/workflows/docker.yml
index 37d6011..83d204a 100644
--- a/.github/workflows/docker.yml
+++ b/.github/workflows/docker.yml
@@ -17,7 +17,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Set up QEMU
         timeout-minutes: 1