diff --git a/.github/workflows/main.yaml b/.github/workflows/main.yaml
index 606f8b0..9d5b833 100644
--- a/.github/workflows/main.yaml
+++ b/.github/workflows/main.yaml
@@ -4,9 +4,6 @@ on:
   push:
     branches:
       - main
-  pull_request:
-     branches:
-      - main
 
 jobs:
   build:
@@ -14,18 +11,40 @@ jobs:
     steps:
       - name: Checkout code
         uses: actions/checkout@v4
-
+      
       - name: Set up Node.js
         uses: actions/setup-node@v4
         with:
           node-version: 20
 
+      - name: Cache node modules
+        id: cache-npm
+        uses: actions/cache@v4
+        env:
+          cache-name: cache-node-modules
+        with:
+          path: ~/.npm
+          key: <span class="math-inline">\{\{ runner\.os \}\}\-build\-</span>{{ env.cache-name }}-${{ hashFiles('**/package-lock.json') }}
+          restore-keys: |
+            <span class="math-inline">\{\{ runner\.os \}\}\-build\-</span>{{ env.cache-name }}-
+            ${{ runner.os }}-build-
+            ${{ runner.os }}-
+          cache-invalidation-period: 1d
+
+      - if: ${{ steps.cache-npm.outputs.cache-hit != 'true' }}
+        name: List the state of node modules
+        continue-on-error: true
+        run: npm list        
+
+      - name: Install dependencies 
+        run: npm ci 
+
       - name: Build Angular app to prod
-        run: npm i && npm run build:prod
+        run: npm run build:prod
 
       - name: Deploy to GitHub Pages
         uses: JamesIves/github-pages-deploy-action@v4
         with:
-          folder: dist/browser
-          branch: prod  
           token: ${{ secrets.TOKEN_GIT}}
+          folder: dist/browser
+          branch: gh-pages