diff --git a/.github/workflows/ci.js.yml b/.github/workflows/ci.js.yml
index 9b81405..4c943e0 100644
--- a/.github/workflows/ci.js.yml
+++ b/.github/workflows/ci.js.yml
@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-22.04
 
     steps:
-      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd
+      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0
       - name: Use Node.js LTS
         uses: actions/setup-node@48b55a011bda9f5d6aeb4c2d9c7362e8dae4041e
         with:
@@ -35,7 +35,7 @@ jobs:
         node-version: [22.x, 24.x]
 
     steps:
-      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd
+      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0
       - name: Use Node.js ${{ matrix.node-version }}
         uses: actions/setup-node@48b55a011bda9f5d6aeb4c2d9c7362e8dae4041e
         with:
diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index 550d420..adf4d28 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -29,7 +29,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd
+        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0
 
       # Initializes the CodeQL tools for scanning.
       - name: Initialize CodeQL
diff --git a/.github/workflows/pr.ci.js.yml b/.github/workflows/pr.ci.js.yml
index 5712858..517012c 100644
--- a/.github/workflows/pr.ci.js.yml
+++ b/.github/workflows/pr.ci.js.yml
@@ -11,7 +11,7 @@ jobs:
 
     steps:
       - name: Checkout PR
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd
+        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0
 
       - name: Use Node.js LTS
         uses: actions/setup-node@48b55a011bda9f5d6aeb4c2d9c7362e8dae4041e
@@ -36,7 +36,7 @@ jobs:
 
     steps:
       - name: Checkout PR
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd
+        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0
 
       - name: Use Node.js ${{ matrix.node-version }}
         uses: actions/setup-node@v6.4.0
diff --git a/.github/workflows/verify-code-formatting.yml b/.github/workflows/verify-code-formatting.yml
index 1029f86..dce628b 100644
--- a/.github/workflows/verify-code-formatting.yml
+++ b/.github/workflows/verify-code-formatting.yml
@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-22.04
     steps:
       - name: 'Checkout code'
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd
+        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0
 
       - name: Use Node.js LTS (20.x)
         uses: actions/setup-node@48b55a011bda9f5d6aeb4c2d9c7362e8dae4041e