diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index b6df813..662bb7f 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -7,6 +7,7 @@ on:
   pull_request:
     branches:
       - main
+permissions: {}
 
 jobs:
   link-checker:
@@ -15,8 +16,10 @@ jobs:
     steps:
       - name: Checkout the repository
         uses: actions/checkout@v4
+        with:
+          persist-credentials: false
       - name: Check the links
-        uses: lycheeverse/lychee-action@v1
+        uses: lycheeverse/lychee-action@82202e5e9c2f4ef1a55a3d02563e1cb6041e5332 # v2.4.1
         with:
           args: --max-concurrency 1 -v content/*.md
           fail: true
@@ -29,10 +32,34 @@ jobs:
     steps:
       - name: Checkout the repository
         uses: actions/checkout@v4
+        with:
+          persist-credentials: false
       - name: Check spelling mistakes
-        uses: codespell-project/actions-codespell@master
+        uses: codespell-project/actions-codespell@406322ec52dd7b488e48c1c4b82e2a8b3a1bf630 # v2.1
         with:
           check_filenames: true
           check_hidden: true
           path: content
           ignore_words_file: .codespellignore
+
+  zizmor:
+    name: zizmor latest via PyPI
+    runs-on: ubuntu-latest
+    permissions:
+      security-events: write
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+        with:
+          persist-credentials: false
+      - name: Install the latest version of uv
+        uses: astral-sh/setup-uv@c7f87aa956e4c323abf06d5dec078e358f6b4d04 # v6.0.0
+      - 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
\ No newline at end of file
diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml
index 96986ea..38e5e47 100644
--- a/.github/workflows/deploy.yml
+++ b/.github/workflows/deploy.yml
@@ -12,17 +12,24 @@ on:
       - closed
 
 concurrency: preview-${{ github.ref }}
+permissions: {}
 
 jobs:
   build:
     runs-on: ubuntu-latest
+    permissions:
+      id-token: write
+      contents: write
+      pull-requests: write
     if: github.ref != 'refs/heads/main'
     steps:
       - name: Checkout
         uses: actions/checkout@v4
+        with:
+          persist-credentials: false
       - name: Build only
         if: github.event.action != 'closed'
-        uses: shalzz/zola-deploy-action@v0.19.2
+        uses: shalzz/zola-deploy-action@c34a7626cd84c9c90499afeb310070ea838a8d1a # v0.20
         env:
           BUILD_DIR: .
           BUILD_ONLY: true
@@ -30,10 +37,10 @@ jobs:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
 
       - name: Deploy preview
-        uses: rossjrw/pr-preview-action@v1
+        uses: rossjrw/pr-preview-action@2fb559e4766555e23d07b73d313fe97c4f8c3cfe # v1.6.1
         with:
           source-dir: ./public/
-          custom-url: sinon.github.io
+          pages-base-url: sinon.github.io
 
   build_and_deploy:
     runs-on: ubuntu-latest
@@ -41,8 +48,10 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v4
+        with:
+          persist-credentials: false
       - name: Build and deploy
-        uses: shalzz/zola-deploy-action@v0.19.2
+        uses: shalzz/zola-deploy-action@c34a7626cd84c9c90499afeb310070ea838a8d1a # v0.20
         env:
           BUILD_DIR: .
           PAGES_BRANCH: gh-pages
diff --git a/config.toml b/config.toml
index f6e22df..632adf8 100644
--- a/config.toml
+++ b/config.toml
@@ -28,8 +28,8 @@ codeblock = true
 after_dark_menu = [
   { name = "Home", url = "$BASE_URL" },
   { name = "Tags", url = "$BASE_URL/tags" },
-  { name = "Source", url = "https://github.com/Sinon/sinon.github.io" },
-  { name = "GitHub", url = "https://github.com/Sinon" },
+  { name = "Source", url = "https://github.com/sinon/sinon.github.io" },
+  { name = "GitHub", url = "https://github.com/sinon" },
   { name = "CV", url = "https://raw.githubusercontent.com/sinon/CV/main/cv.pdf" },
   { name = "RSS", url = "$BASE_URL/rss.xml" },
 ]