diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 7c3f9ef..2acf4ba 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -40,6 +40,7 @@ jobs:
         run: |
           cargo install mdbook
           cargo install mdbook-cmdrun
+          cargo install trunk
       - name: Setup Pages
         id: pages
         uses: actions/configure-pages@v3