diff --git a/.github/workflows/auto-release.yml b/.github/workflows/auto-release.yml
index ee48cbc3..02846bd7 100644
--- a/.github/workflows/auto-release.yml
+++ b/.github/workflows/auto-release.yml
@@ -17,7 +17,7 @@ jobs:
       MDPRESS_VERSION: "0.7.10"
       MDPRESS_SHA256: "17e53e455996940bbbce64c69c43b3fb543f1501e03b74cf0434074efebd2db4"
     steps:
-      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
+      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v6
 
       - name: Install Chromium and CJK fonts
         id: setupchrome
diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 82df22b9..76c1b01f 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -15,7 +15,7 @@ jobs:
     name: Build PDF
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
 
       - name: Check project rules
         run: python3 check_project_rules.py
diff --git a/.github/workflows/preview-pdf.yml b/.github/workflows/preview-pdf.yml
index 0d8b254c..0e497143 100644
--- a/.github/workflows/preview-pdf.yml
+++ b/.github/workflows/preview-pdf.yml
@@ -21,7 +21,7 @@ jobs:
       MDPRESS_VERSION: "0.7.10"
       MDPRESS_SHA256: "17e53e455996940bbbce64c69c43b3fb543f1501e03b74cf0434074efebd2db4"
     steps:
-      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
+      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v6
 
       - name: Install Chromium and CJK fonts
         uses: browser-actions/setup-chrome@v2