diff --git a/.github/workflows/dependabot-auto-merge.yaml b/.github/workflows/dependabot-auto-merge.yaml
index 3f6a2a1..5c05b7f 100644
--- a/.github/workflows/dependabot-auto-merge.yaml
+++ b/.github/workflows/dependabot-auto-merge.yaml
@@ -1,11 +1,13 @@
 name: Dependabot auto-merge
 on: pull_request
 permissions:
-  contents: write
-  pull-requests: write
+  contents: read
 jobs:
   dependabot-auto-merge:
     runs-on: ubuntu-latest
+    permissions:
+      contents: write
+      pull-requests: write
     if: ${{ github.actor == 'dependabot[bot]' && !github.event.pull_request.auto_merge }}
     steps:
       - name: Approve a PR
diff --git a/.github/workflows/hugo.yaml b/.github/workflows/hugo.yaml
index 9ef93c9..885b15c 100644
--- a/.github/workflows/hugo.yaml
+++ b/.github/workflows/hugo.yaml
@@ -11,26 +11,28 @@ on:
 
 permissions:
   contents: read
-  pages: write
-  id-token: write
+
 concurrency:
   group: "pages"
   cancel-in-progress: false
 jobs:
   build:
     runs-on: ubuntu-latest
+    permissions:
+      pages: write
+      id-token: write
     steps:
       - name: Checkout
-        uses: actions/checkout@v6
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
       - name: Set Node.js 20
-        uses: actions/setup-node@v6
+        uses: actions/setup-node@6044e13b5dc448c55e2357c09f80417699197238 # v6.2.0 
         with:
           node-version: 20
       - name: Install Node.js dependencies
         run: npm ci
       - name: Setup Pages
         id: pages
-        uses: actions/configure-pages@v5
+        uses: actions/configure-pages@983d7736d9b0ae728b81ab479565c72886d7745b # v5.0.0
       - name: Build with Hugo
         run: |
           node_modules/.bin/hugo/hugo \
@@ -38,7 +40,7 @@ jobs:
             --environment production \
             --baseURL "${{ steps.pages.outputs.base_url }}/"
       - name: Upload artifact
-        uses: actions/upload-pages-artifact@v4
+        uses: actions/upload-pages-artifact@7b1f4a764d45c48632c6b24a0339c27f5614fb0b # v4.0.0
         with:
           path: ./public
   deploy:
@@ -46,8 +48,11 @@ jobs:
       name: github-pages
       url: ${{ steps.deployment.outputs.page_url }}
     runs-on: ubuntu-latest
+    permissions:
+      pages: write
+      id-token: write
     needs: build
     steps:
       - name: Deploy to GitHub Pages
         id: deployment
-        uses: actions/deploy-pages@v4
+        uses: actions/deploy-pages@d6db90164ac5ed86f2b6aed7e0febac5b3c0c03e # v4.0.5
diff --git a/.github/workflows/pull-request.yml b/.github/workflows/pull-request.yml
index d68a3a5..554283c 100644
--- a/.github/workflows/pull-request.yml
+++ b/.github/workflows/pull-request.yml
@@ -8,12 +8,15 @@ on:
       - CONTRIBUTING.md
       - CODE_OF_CONDUCT.md
 
+permissions:
+  contents: read
+
 jobs:
   test:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
-      - uses: actions/setup-node@v6
+      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+      - uses: actions/setup-node@6044e13b5dc448c55e2357c09f80417699197238 # v6.2.0 
         with:
           node-version: 20
       - run: npm ci