diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml
index 3360310..c58c50f 100644
--- a/.github/workflows/deploy.yml
+++ b/.github/workflows/deploy.yml
@@ -16,8 +16,6 @@ jobs:
         mkdir mdbook
         curl -sSL https://github.com/rust-lang/mdBook/releases/download/v0.4.14/mdbook-v0.4.14-x86_64-unknown-linux-gnu.tar.gz | tar -xz --directory=./mdbook
         echo `pwd`/mdbook >> $GITHUB_PATH
-    - name: Update dependencies
-      run: sudo apt update && sudo apt upgrade -y
     - name: Install plantuml
       run: sudo apt-get install plantuml
     - name: Install Rust
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
new file mode 100644
index 0000000..c87927c
--- /dev/null
+++ b/.github/workflows/test.yml
@@ -0,0 +1,30 @@
+name: Verify
+on:
+  pull_request:
+
+jobs:
+  deploy:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v2
+      with:
+        fetch-depth: 0
+    - name: Install mdbook
+      run: |
+        mkdir mdbook
+        curl -sSL https://github.com/rust-lang/mdBook/releases/download/v0.4.14/mdbook-v0.4.14-x86_64-unknown-linux-gnu.tar.gz | tar -xz --directory=./mdbook
+        echo `pwd`/mdbook >> $GITHUB_PATH
+    - name: Install plantuml
+      run: sudo apt-get install plantuml
+    - name: Install Rust
+      uses: actions-rs/toolchain@v1
+      with:
+        toolchain: stable
+    - name: Install mdbook-plantuml
+      uses: actions-rs/cargo@v1
+      with:
+        command: install
+        args: mdbook-plantuml
+    - name: Deploy GitHub Pages
+      run: mdbook build
+