diff --git a/.github/workflows/deploy_github_page.yaml b/.github/workflows/deploy_github_page.yaml
index 3c936d2..ca7d705 100644
--- a/.github/workflows/deploy_github_page.yaml
+++ b/.github/workflows/deploy_github_page.yaml
@@ -12,12 +12,12 @@ jobs:
     container: twtug/lkmpg
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3.0.2
       - name: Build
         run: |
           make html
       - name: Deploy to gh-pages branch
-        uses: peaceiris/actions-gh-pages@v3
+        uses: peaceiris/actions-gh-pages@v3.8.0
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}
           publish_dir: ./html
diff --git a/.github/workflows/generate_doc.yaml b/.github/workflows/generate_doc.yaml
index 5ecd8a8..7ab5558 100644
--- a/.github/workflows/generate_doc.yaml
+++ b/.github/workflows/generate_doc.yaml
@@ -12,7 +12,7 @@ jobs:
     container: twtug/lkmpg
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3.0.2
       - name: Build
         run: |
           make all
@@ -29,7 +29,7 @@ jobs:
             lkmpg.pdf
             lkmpg-html.tar.gz
       - name: Release
-        uses: softprops/action-gh-release@v0.1.8
+        uses: softprops/action-gh-release@v0.1.14
         with:
           files: |
             lkmpg.pdf
diff --git a/.github/workflows/status-check.yaml b/.github/workflows/status-check.yaml
index 4511de1..a92ded3 100644
--- a/.github/workflows/status-check.yaml
+++ b/.github/workflows/status-check.yaml
@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-20.04
     steps:
       - name: checkout code
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3.0.2
       - name: validate coding style and functionality
         run: |
             sudo apt-get install -q -y clang-format-11