diff --git a/.github/workflows/node.js.yml b/.github/workflows/node.js.yml
index edb4f01..d40bfeb 100644
--- a/.github/workflows/node.js.yml
+++ b/.github/workflows/node.js.yml
@@ -22,7 +22,7 @@ jobs:
     steps:
     - uses: actions/checkout@v6
     - name: Use Node.js ${{ matrix.node-version }}
-      uses: actions/setup-node@v6
+      uses: actions/setup-node@v6.3.0
       with:
         node-version: ${{ matrix.node-version }}
     - run: npm install
diff --git a/.github/workflows/publish-npm.yml b/.github/workflows/publish-npm.yml
index 08ce8d0..4479dda 100644
--- a/.github/workflows/publish-npm.yml
+++ b/.github/workflows/publish-npm.yml
@@ -13,7 +13,7 @@ jobs:
         uses: actions/checkout@v6
 
       - name: Setup Node
-        uses: actions/setup-node@v6
+        uses: actions/setup-node@v6.3.0
         with:
           node-version: "24"
           registry-url: "https://registry.npmjs.org"