diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index e5536a3..894c418 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -12,11 +12,11 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v6
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
         with:
           fetch-depth: 0
       - name: Setup Nodejs
-        uses: actions/setup-node@v6
+        uses: actions/setup-node@48b55a011bda9f5d6aeb4c2d9c7362e8dae4041e # v6.4.0
         with:
           node-version-file: ".nvmrc"
       - name: Install dependencies
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index b981224..bf55bfa 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -17,13 +17,13 @@ jobs:
       id-token: write # to enable use of OIDC for trusted publishing and npm provenance
     steps:
     - name: Checkout
-      uses: actions/checkout@v6
+      uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
       with:
         fetch-depth: 0
     - name: Setup Nodejs Env
       run: echo "NODE_VER=`cat .nvmrc`" >> $GITHUB_ENV
     - name: Setup Node.js
-      uses: actions/setup-node@v6
+      uses: actions/setup-node@48b55a011bda9f5d6aeb4c2d9c7362e8dae4041e # v6.4.0
       with:
         node-version: ${{ env.NODE_VER }}
     - name: Install dependencies