diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index a674abb..6da1c39 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -13,13 +13,13 @@ env:
 
 jobs:
   build:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
 
     steps:
       - uses: actions/checkout@v2
 
       - name: Setup mdBook
-        uses: peaceiris/actions-mdbook@v1
+        uses: peaceiris/actions-mdbook@v2
         with:
           mdbook-version: "0.4.42"
 
diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml
index 8880a11..c54e6fa 100644
--- a/.github/workflows/deploy.yml
+++ b/.github/workflows/deploy.yml
@@ -2,7 +2,7 @@ name: Deploy to GitHub Pages
 
 on:
   push:
-    branches: [ main ]
+    branches: [main]
   # Allows you to run this workflow manually from the Actions tab
   workflow_dispatch:
 
@@ -11,24 +11,23 @@ env:
 
 jobs:
   build:
-
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
 
     steps:
-    - uses: actions/checkout@v2
-    
-    - name: Setup mdBook
-      uses: peaceiris/actions-mdbook@v1
-      with:
-        mdbook-version: '0.4.12'
-      
-    - name: Build
-      run: mdbook build
-      
-    - name: Deploy
-      uses: peaceiris/actions-gh-pages@v3
-      if: ${{ github.ref == 'refs/heads/main' }}
-      with:
-        github_token: ${{ secrets.GITHUB_TOKEN }}
-        publish_dir: ./book
-        cname: docs.geoengine.io
+      - uses: actions/checkout@v2
+
+      - name: Setup mdBook
+        uses: peaceiris/actions-mdbook@v2
+        with:
+          mdbook-version: "0.4.42"
+
+      - name: Build
+        run: mdbook build
+
+      - name: Deploy
+        uses: peaceiris/actions-gh-pages@v3
+        if: ${{ github.ref == 'refs/heads/main' }}
+        with:
+          github_token: ${{ secrets.GITHUB_TOKEN }}
+          publish_dir: ./book
+          cname: docs.geoengine.io