diff --git a/.github/workflows/deploypr.yml b/.github/workflows/deploypr.yml
index 21ae4ebd..a6e15b66 100644
--- a/.github/workflows/deploypr.yml
+++ b/.github/workflows/deploypr.yml
@@ -22,10 +22,10 @@ jobs:
         node-version: '20'
 
     - name: Install dependencies
-      run: npm install
+      run: yarn install
 
     - name: Build project
-      run: npm run build
+      run: yarn build
 
     - name: Deploy to GitHub Pages
       uses: peaceiris/actions-gh-pages@v3