diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 319e575..b54516c 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -17,7 +17,7 @@ jobs:
     name: Rustfmt
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: dtolnay/rust-toolchain@nightly
         with:
           components: rustfmt
@@ -30,7 +30,7 @@ jobs:
     name: Clippy
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: dtolnay/rust-toolchain@stable
       - uses: taiki-e/install-action@just
       - uses: Swatinem/rust-cache@v2
@@ -44,7 +44,7 @@ jobs:
       matrix:
         os: [ubuntu-latest, macos-latest, windows-latest]
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: dtolnay/rust-toolchain@stable
       - uses: taiki-e/install-action@just
       - uses: Swatinem/rust-cache@v2
@@ -58,7 +58,7 @@ jobs:
       matrix:
         os: [ubuntu-latest, macos-latest, windows-latest]
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
         with:
           submodules: true
       - uses: dtolnay/rust-toolchain@stable
diff --git a/.github/workflows/docker.yml b/.github/workflows/docker.yml
index 2469718..f4cfda6 100644
--- a/.github/workflows/docker.yml
+++ b/.github/workflows/docker.yml
@@ -26,7 +26,7 @@ jobs:
         run: echo "IMAGE_NAME=ghcr.io/${{ github.repository_owner }}/stackclass-server" >> $GITHUB_ENV
 
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 89e73fe..9fd95da 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -16,7 +16,7 @@ jobs:
     name: Create Release
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: taiki-e/create-gh-release-action@v1
         with:
           token: ${{ secrets.GITHUB_TOKEN }}
@@ -43,7 +43,7 @@ jobs:
             target: x86_64-pc-windows-msvc
             platform: windows-amd64
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - name: Install cross-compilation tools
         uses: taiki-e/setup-cross-toolchain-action@v1
         with: