CHANGELOG.md in resque_mailer-2.4.2 vs CHANGELOG.md in resque_mailer-2.4.3

@@ -1,4 +1,7 @@
+### 2.4.3 / 2017-09-18
+* Fix for duplicated keys (J Garcia)
+
 ### 2.4.2 / 2017-01-30
 * Fix for breaking change with symbolied keys vs strings (J Garcia)
 
 ### 2.4.1 / 2016-12-10
 * Symbolize argument keys to fix mailer block syntax issues (J Garcia)