diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 0e70c52..38f7e4a 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -24,7 +24,7 @@ jobs:
     name: Lint
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v6.0.1
 
       - name: Setup Node.js
         uses: actions/setup-node@v6
@@ -47,7 +47,7 @@ jobs:
         # Node.js release schedule: https://nodejs.org/en/about/releases/
         node-version: [18, 19, 20, 21, 22, 23, 24, 25]
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v6.0.1
 
       - name: Setup Node.js ${{ matrix.node-version }}
         uses: actions/setup-node@v6
@@ -78,7 +78,7 @@ jobs:
       contents: read
       checks: write
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v6.0.1
 
       - name: Install lcov
         run: sudo apt-get -y install lcov
diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index 35d9138..2c51a5a 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -34,7 +34,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd # v4.2.2
+        uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v4.2.2
 
       # Initializes the CodeQL tools for scanning.
       - name: Initialize CodeQL
diff --git a/.github/workflows/scorecard.yml b/.github/workflows/scorecard.yml
index 4f32d37..2c6da25 100644
--- a/.github/workflows/scorecard.yml
+++ b/.github/workflows/scorecard.yml
@@ -33,7 +33,7 @@ jobs:
 
     steps:
       - name: "Checkout code"
-        uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd # v4.1.2
+        uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v4.1.2
         with:
           persist-credentials: false