diff --git a/.travis.yml b/.travis.yml
index 0f195395..f96b4db0 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -24,8 +24,8 @@ before_install:
 script:
   - if [ -n "DANGER_GITHUB_API_TOKEN" ]; then echo {} > ./.babelrc && npx danger; fi
   - ng lint
-  - ng test --single-run
-  - ng build -prod
+  - ng test --single-run --code-coverage
+  - ng build --prod
   - ng e2e
 
 before_deploy:
@@ -37,4 +37,7 @@ before_deploy:
 deploy:
   provider: azure_web_apps
   verbose: true
-  skip_cleanup: true
\ No newline at end of file
+  skip_cleanup: true
+
+after_success:
+  - bash <(curl -s https://codecov.io/bash)
diff --git a/dangerfile.js b/dangerfile.js
index fa43dd86..9f1b451e 100644
--- a/dangerfile.js
+++ b/dangerfile.js
@@ -39,6 +39,6 @@ const messageConventionValid = danger.git.commits.reduce(function (acc, value) {
 }, true);
 
 if (!messageConventionValid) {
-  warn('commit message does not follows conventional change log (' + ++errorCount + ')');
+  fail('commit message does not follows conventional change log (' + ++errorCount + ')');
   markdown('> (' + errorCount + ') : RxJS uses conventional change log to generate changelog automatically. It seems some of commit messages are not following those, please check [contributing guideline](https://github.com/ReactiveX/rxjs/blob/master/CONTRIBUTING.md#commit-message-format) and update commit messages.');
 }
\ No newline at end of file