diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 63290c7..425796b 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -19,10 +19,11 @@ jobs:
       id-token: write
     steps:
       - uses: actions/checkout@v4
+        with:
+          persist-credentials: false
       - name: Set up Ruby
         uses: ruby/setup-ruby@v1
         with:
-          bundler-cache: true
           ruby-version: ruby
 
       - uses: rubygems/release-gem@v1
diff --git a/.github/workflows/rubocop.yml b/.github/workflows/rubocop.yml
index 7cacecc..726d096 100644
--- a/.github/workflows/rubocop.yml
+++ b/.github/workflows/rubocop.yml
@@ -11,6 +11,8 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
+        with:
+          persist-credentials: false
       - uses: ruby/setup-ruby@v1
         with:
           ruby-version: 3.4
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 0d289c0..509afe9 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -29,6 +29,7 @@ jobs:
       - uses: actions/checkout@v4
         with:
           submodules: true
+          persist-credentials: false
       - uses: ruby/setup-ruby@v1
         with:
           ruby-version: ${{ matrix.version }}
diff --git a/.github/workflows/zizmor.yml b/.github/workflows/zizmor.yml
new file mode 100644
index 0000000..d915605
--- /dev/null
+++ b/.github/workflows/zizmor.yml
@@ -0,0 +1,36 @@
+name: GitHub Actions Security Analysis with zizmor
+
+on:
+  push:
+    branches: ["main"]
+  pull_request:
+    branches: ["**"]
+
+jobs:
+  zizmor:
+    name: zizmor latest via PyPI
+    runs-on: ubuntu-latest
+    permissions:
+      security-events: write
+      # required for workflows in private repositories
+      contents: read
+      actions: read
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+        with:
+          persist-credentials: false
+
+      - name: Install the latest version of uv
+        uses: astral-sh/setup-uv@v5
+
+      - name: Run zizmor
+        run: uvx zizmor --format sarif . > results.sarif
+        env:
+          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Upload SARIF file
+        uses: github/codeql-action/upload-sarif@v3
+        with:
+          sarif_file: results.sarif
+          category: zizmor