CHANGELOG.md in sentry-rails-4.2.0 vs CHANGELOG.md in sentry-rails-4.2.1

- old
+ new

@@ -1,6 +1,12 @@
 # Changelog
 
+## 4.2.1
+
+- Add additional checks to SendEventJob's definition [#1275](https://github.com/getsentry/sentry-ruby/pull/1275)
+  - Fixes [#1270](https://github.com/getsentry/sentry-ruby/issues/1270)
+  - Fixes [#1277](https://github.com/getsentry/sentry-ruby/issues/1277)
+
 ## 4.2.0
 
 ### Features
 
 - Make sentry-rails a Rails engine and provide default job class for async [#1181](https://github.com/getsentry/sentry-ruby/pull/1181)