diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index c5b1618..3377f5b 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -38,6 +38,8 @@ jobs:
         uses: actions/setup-node@v1
         with:
           node-version: 10.x
+      - name: Install dependencies
+        run: npm install
       - name: Generate doc
         run: npm run doc
       - name: Deploy doc
@@ -54,6 +56,8 @@ jobs:
       - uses: actions/setup-node@v1
         with:
           node-version: 10.x
+      - name: Install dependencies
+        run: npm install
       - name: Build
         run: npm run build
       - name: Publish