diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 56f6f1f..1b69f50 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -1,9 +1,6 @@
 name: CI
 
-on:
-  push:
-    branches:
-      - master
+on: [pull_request]
 
 jobs:
   CI:
@@ -20,7 +17,7 @@ jobs:
       - name: Use Node.js (.nvmrc)
         uses: actions/setup-node@v2
         with:
-          node-version: "${{ steps.nvm.outputs.NVMRC }}"
+          node-version: '${{ steps.nvm.outputs.NVMRC }}'
 
       - name: Use cached node_modules
         uses: actions/cache@v1
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 44a0efb..d3e76e3 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -18,6 +18,8 @@ jobs:
           node-version: 'lts/*'
       - name: Install dependencies
         run: yarn
+      - name: Build
+        run: yarn build
       - name: Release
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}