CHANGELOG.md in resque_mailer-2.3.1 vs CHANGELOG.md in resque_mailer-2.4.0

- old
+ new

@@ -1,4 +1,7 @@
+### 2.4.0 / 2016-10-05
+* Rails 5 compatibility
+
 ### 2.3.1 / 2016-07-03
 * Serializer bugfix for scheduler integration
 * RSpec cleanup
 
 ### 2.3.0 / 2016-04-30