diff --git a/.github/dependabot.yml b/.github/dependabot.yml
new file mode 100644
index 0000000..ab774f3
--- /dev/null
+++ b/.github/dependabot.yml
@@ -0,0 +1,15 @@
+version: 2
+updates:
+  - package-ecosystem: npm
+    directory: "/"
+    schedule:
+      interval: "daily"
+    cooldown:
+      default-days: 14
+
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "daily"
+    cooldown:
+      default-days: 14
diff --git a/.github/workflows/code-format.yml b/.github/workflows/code-format.yml
index c0c2fcc..1c850c0 100644
--- a/.github/workflows/code-format.yml
+++ b/.github/workflows/code-format.yml
@@ -26,16 +26,18 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout code
-        uses: actions/checkout@v6
+        uses: actions/checkout@d23441a48e516b6c34aea4fa41551a30e30af803 #v6.1.0
+        with:
+          persist-credentials: false
 
       - name: Setup node
-        uses: actions/setup-node@v6
+        uses: actions/setup-node@249970729cb0ef3589644e2896645e5dc5ba9c38 #v6.5.0
         with:
           node-version-file: ".nvmrc"
 
       - name: Cache NPM dependencies
         id: npm-cache
-        uses: actions/cache@v5
+        uses: actions/cache@caa296126883cff596d87d8935842f9db880ef25 #v5.1.0
         with:
           path: node_modules
           key: ${{ runner.os }}-npm-${{ hashFiles('package-lock.json') }}
diff --git a/.github/workflows/unit-tests.yml b/.github/workflows/unit-tests.yml
index 24e33a8..431005b 100644
--- a/.github/workflows/unit-tests.yml
+++ b/.github/workflows/unit-tests.yml
@@ -20,16 +20,18 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout code
-        uses: actions/checkout@v6
+        uses: actions/checkout@d23441a48e516b6c34aea4fa41551a30e30af803 #v6.1.0
+        with:
+          persist-credentials: false
 
       - name: Setup node
-        uses: actions/setup-node@v6
+        uses: actions/setup-node@249970729cb0ef3589644e2896645e5dc5ba9c38 #v6.5.0
         with:
           node-version-file: ".nvmrc"
 
       - name: Cache NPM dependencies
         id: npm-cache
-        uses: actions/cache@v5
+        uses: actions/cache@caa296126883cff596d87d8935842f9db880ef25 #v5.1.0
         with:
           path: node_modules
           key: ${{ runner.os }}-npm-${{ hashFiles('package-lock.json') }}