diff --git a/.github/dependabot.yml b/.github/dependabot.yml
new file mode 100644
index 0000000..6cc0071
--- /dev/null
+++ b/.github/dependabot.yml
@@ -0,0 +1,8 @@
+version: 2
+updates:
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "weekly"
+    cooldown:
+      default-days: 7
diff --git a/.github/workflows/nodejs.yml b/.github/workflows/nodejs.yml
index 28a8bba..7293e7e 100644
--- a/.github/workflows/nodejs.yml
+++ b/.github/workflows/nodejs.yml
@@ -7,9 +7,9 @@ jobs:
   build:
     runs-on: ubuntu-22.04
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@0717577d45739eb3c851188b29f50ed6c0b2194e # v2.8.0
     - name: Use Node.js 18.x
-      uses: actions/setup-node@v1
+      uses: actions/setup-node@f1f314fca9dfce2769ece7d933488f076716723e # v1.4.6
       with:
         node-version: 18.x
     - name: npm install, build, and test
diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index e0a3102..7786a64 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -11,8 +11,8 @@ jobs:
   publish-npm:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
-      - uses: actions/setup-node@v4
+      - uses: actions/checkout@11d5960a326750d5838078e36cf38b85af677262 # v4.4.0
+      - uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020 # v4.4.0
         with:
           node-version: 24
           registry-url: https://registry.npmjs.org/