diff --git a/.travis.yml b/.travis.yml
index fccc40382..87b67d7d3 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -22,6 +22,9 @@ before_script:
 script:
   - "[ $EXTRA = false ] || npm run lint"
   - npm run prepare-tests
+  - "[ $EXTRA = false ] || npm run build-umd"
+  - "[ $EXTRA = false ] || npm run build-esm"
+  - "[ $EXTRA = false ] || npm run doc"
   - "[ $EXTRA = true ] || npm run test-node"
   - "[ $EXTRA = false ] || npm run coveralls"
   - "[ $EXTRA = false ] || npm run test-browser"