diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 38516fa..4c92acc 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -42,7 +42,7 @@ jobs:
           - 4222:4222
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
       - name: Set up Go
         uses: actions/setup-go@v5
         with:
@@ -70,7 +70,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
       - name: Set up Go
         uses: actions/setup-go@v5
         with:
@@ -93,7 +93,7 @@ jobs:
         working-directory: ui
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
       - name: Set up Node
         uses: actions/setup-node@v4
         with:
@@ -115,7 +115,7 @@ jobs:
     needs: [backend-test, backend-lint]
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
       - name: Set up Go
         uses: actions/setup-go@v5
         with:
@@ -140,7 +140,7 @@ jobs:
     if: github.event_name == 'push' && github.ref == 'refs/heads/main'
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3
       - name: Build Kernel image
diff --git a/.github/workflows/dependency-review.yml b/.github/workflows/dependency-review.yml
index 9ee942b..c657dbf 100644
--- a/.github/workflows/dependency-review.yml
+++ b/.github/workflows/dependency-review.yml
@@ -13,6 +13,6 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
       - name: Review dependency changes
         uses: actions/dependency-review-action@v4