diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml
index 930796cb..eeef440e 100644
--- a/.github/workflows/deploy.yml
+++ b/.github/workflows/deploy.yml
@@ -25,3 +25,4 @@ jobs:
     - run: npm install
     - run: npm run test
     - run: npm run check-formatting
+    - run: npm run build
diff --git a/package.json b/package.json
index 5481208a..c95406c9 100644
--- a/package.json
+++ b/package.json
@@ -13,7 +13,7 @@
     "node": ">=12.18.3"
   },
   "scripts": {
-    "build:bundle": "rollup -c",
+    "build:bundle": "rollup -c --failAfterWarnings",
     "build": "npm run build:bundle",
     "test": "jest",
     "test:debug": "node --inspect-brk node_modules/.bin/jest --runInBand --watch --testTimeout=5000000",