diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 2eb055c0..ee7579df 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -18,7 +18,9 @@ jobs:
           npm install --force
 
       - name: Build frontend
-        run: npm run build -- --prod
+        run: |
+          cd client
+          npm run build -- --prod
 
   build-backend:
     runs-on: ubuntu-latest
@@ -30,9 +32,9 @@ jobs:
         uses: actions/setup-java@v2
         with:
           distribution: 'adopt'
-          java-version: '15'
+          java-version: '17'
 
       - name: Build backend
         run: |
-          chmod +x mvnw
+          ./chmod +x mvnw
           ./mvnw clean package