diff --git a/.github/workflows/address-sanitizer.yml b/.github/workflows/address-sanitizer.yml
index f2db862..dde5bcc 100644
--- a/.github/workflows/address-sanitizer.yml
+++ b/.github/workflows/address-sanitizer.yml
@@ -18,6 +18,7 @@ jobs:
         uses: actions/checkout@v4
         with:
           submodules: true
+          persist-credentials: false
 
       - name: Set up Python
         uses: actions/setup-python@v5
diff --git a/.github/workflows/clang-analyzer.yml b/.github/workflows/clang-analyzer.yml
index 56cd6a5..1c5460f 100644
--- a/.github/workflows/clang-analyzer.yml
+++ b/.github/workflows/clang-analyzer.yml
@@ -15,6 +15,7 @@ jobs:
         uses: actions/checkout@v4
         with:
           submodules: true
+          persist-credentials: false
 
       - name: Install clang-tools
         run: sudo apt install clang-tools
diff --git a/.github/workflows/codeql-analysis.yml b/.github/workflows/codeql-analysis.yml
index 99436a1..e9969c7 100644
--- a/.github/workflows/codeql-analysis.yml
+++ b/.github/workflows/codeql-analysis.yml
@@ -24,12 +24,13 @@ jobs:
         # a pull request then we can checkout the head.
         fetch-depth: 2
         submodules: true
+        persist-credentials: false
 
     # If this run was triggered by a pull request event, then checkout
     # the head of the pull request instead of the merge commit.
     - run: git checkout HEAD^2
       if: ${{ github.event_name == 'pull_request' }}
-      
+
     # Initializes the CodeQL tools for scanning.
     - name: Initialize CodeQL
       uses: github/codeql-action/init@v3
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 2c6c339..5f13aac 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -22,6 +22,7 @@ jobs:
       - uses: actions/checkout@v4
         with:
           submodules: true
+          persist-credentials: false
 
       - name: Set up QEMU
         if: runner.os == 'Linux'
@@ -50,6 +51,7 @@ jobs:
       - uses: actions/checkout@v4
         with:
           submodules: true
+          persist-credentials: false
 
       - name: Build sdist
         run: pipx run build --sdist
diff --git a/.github/workflows/test-libmaxminddb.yml b/.github/workflows/test-libmaxminddb.yml
index 4eb8063..73c78b2 100644
--- a/.github/workflows/test-libmaxminddb.yml
+++ b/.github/workflows/test-libmaxminddb.yml
@@ -28,6 +28,7 @@ jobs:
         uses: actions/checkout@v4
         with:
           submodules: true
+          persist-credentials: false
 
       - name: Set up Python ${{ matrix.python-version }}
         uses: actions/setup-python@v5
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 78badd5..c1f91ac 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -22,6 +22,7 @@ jobs:
         uses: actions/checkout@v4
         with:
           submodules: true
+          persist-credentials: false
 
       - name: Set up Python ${{ matrix.python-version }}
         uses: actions/setup-python@v5
diff --git a/.github/workflows/zizmor.yml b/.github/workflows/zizmor.yml
new file mode 100644
index 0000000..c09cf12
--- /dev/null
+++ b/.github/workflows/zizmor.yml
@@ -0,0 +1,32 @@
+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
+        with:
+          enable-cache: false
+
+      - name: Run zizmor
+        run: uvx zizmor --format plain .
+        env:
+          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}