diff --git a/.github/workflows/deploy.yaml b/.github/workflows/deploy.yaml
index cc08094..1e27965 100644
--- a/.github/workflows/deploy.yaml
+++ b/.github/workflows/deploy.yaml
@@ -22,7 +22,7 @@ jobs:
         run: npm install
 
       - name: Build Angular project
-        run: ng build
+        run: npm run build --omit=dev
 
       - name: Deploy to GitHub Pages
         uses: peaceiris/actions-gh-pages@v3