diff --git a/.github/actions/action-npm-build/action.yml b/.github/actions/action-npm-build/action.yml
index 978374e..41949b1 100644
--- a/.github/actions/action-npm-build/action.yml
+++ b/.github/actions/action-npm-build/action.yml
@@ -17,7 +17,7 @@ runs:
   steps:
     - uses: actions/checkout@v4
     - name: Set up Node.js
-      uses: actions/setup-node@v4
+      uses: actions/setup-node@39370e3970a6d050c480ffad4ff0ed4d3fdee5af # v4.1.0
       with:
         node-version: ${{ inputs.node-version }}
         cache: "npm"
diff --git a/.github/workflows/deploy-pages.yml b/.github/workflows/deploy-pages.yml
index 493438d..5a29494 100644
--- a/.github/workflows/deploy-pages.yml
+++ b/.github/workflows/deploy-pages.yml
@@ -45,7 +45,7 @@ jobs:
         with:
           fetch-depth: 0 # Required for vitepress lastUpdated
       - name: Setup Node
-        uses: actions/setup-node@v4
+        uses: actions/setup-node@39370e3970a6d050c480ffad4ff0ed4d3fdee5af # v4.1.0
         with:
           node-version: ${{ inputs.node-version }}
           cache: npm