CHANGELOG.md in veritrans-2.1.0 vs CHANGELOG.md in veritrans-2.1.1

@@ -1,4 +1,8 @@
+### Version 2.1.1 (date 15 Sep 2016)
+
+* Allow use ENV variables in config
+
 ### Version 2.1.0 (date 12 Aug 2016)
 
 * Add support for rails 5
 * Add Snap API and example
 * Add support to create multiple instance of client