diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 1eb5d9e..55ccc2e 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -31,7 +31,7 @@ jobs:
       options: --user root
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       # 実際のビルドは `bin/build.sh` を実行している
       - name: Build
@@ -53,7 +53,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       # ビルドジョブでアップロードしたPDFをここでダウンロード
       - name: Download artifact
diff --git a/.github/workflows/lint.yaml b/.github/workflows/lint.yaml
index 87285d3..36c3e57 100644
--- a/.github/workflows/lint.yaml
+++ b/.github/workflows/lint.yaml
@@ -20,7 +20,7 @@ jobs:
     timeout-minutes: 10
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: Setup node environment
         uses: actions/setup-node@v4
diff --git a/.github/workflows/remove_depbot.yml b/.github/workflows/remove_depbot.yml
index 40aed0f..9b6fa6b 100644
--- a/.github/workflows/remove_depbot.yml
+++ b/.github/workflows/remove_depbot.yml
@@ -25,7 +25,7 @@ jobs:
     steps:
       # get main branch repo contents
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       # remove files not needed for user instance of template
       - name: Remove unneeded files
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 22ab207..e2ece1f 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -13,7 +13,7 @@ jobs:
       options: --user root
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: Test Docker Image with luaLaTeX
         run: latexmk -pdf -e '$pdf_mode=4' main.tex