diff --git a/.github/workflows/example-angular.yml b/.github/workflows/example-angular.yml
index 0797db2e..fec208b9 100644
--- a/.github/workflows/example-angular.yml
+++ b/.github/workflows/example-angular.yml
@@ -11,6 +11,12 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2
+      - uses: actions/cache@v1
+        with:
+          path: ~/.npm
+          key: ${{ runner.os }}-node-${{ hashFiles('**/package-lock.json') }}
+          restore-keys: |
+            ${{ runner.os }}-node-
       - name: build
         run: |
           cd example/angular