diff --git a/.github/dependabot.yml b/.github/dependabot.yml
new file mode 100644
index 0000000..2c48305
--- /dev/null
+++ b/.github/dependabot.yml
@@ -0,0 +1,11 @@
+version: 2
+updates:
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    groups:
+      github-actions:
+        patterns: ["*"]
+    schedule:
+      interval: "weekly"
+    cooldown:
+      default-days: 7
diff --git a/.github/workflows/update-winget-manifest.yml b/.github/workflows/update-winget-manifest.yml
index ed954ab..97b09aa 100644
--- a/.github/workflows/update-winget-manifest.yml
+++ b/.github/workflows/update-winget-manifest.yml
@@ -111,7 +111,7 @@ jobs:
           }
 
       - name: Create tracking issue
-        uses: actions/github-script@v7
+        uses: actions/github-script@f28e40c7f34bde8b3046d885e986cb6290c5673b # v7.1.0
         with:
           script: |
             const prUrl = '${{ steps.submit.outputs.pr_url }}';
diff --git a/.github/workflows/validate-homebrew.yml b/.github/workflows/validate-homebrew.yml
index fc87801..a958b84 100644
--- a/.github/workflows/validate-homebrew.yml
+++ b/.github/workflows/validate-homebrew.yml
@@ -28,7 +28,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@11d5960a326750d5838078e36cf38b85af677262 # v4.4.0
 
       - name: Set up Homebrew
         uses: Homebrew/actions/setup-homebrew@main
@@ -60,7 +60,7 @@ jobs:
 
       - name: Create issue on failure
         if: failure()
-        uses: actions/github-script@v7
+        uses: actions/github-script@f28e40c7f34bde8b3046d885e986cb6290c5673b # v7.1.0
         with:
           script: |
             await github.rest.issues.create({