CHANGES.md in ruby-upwork-oauth2-2.1.2 vs CHANGES.md in ruby-upwork-oauth2-2.1.3

@@ -1,6 +1,9 @@
 # Release History
 
+## 2.1.3
+* Send Message to a Batch of Rooms API
+
 ## 2.1.2
 * Add Room Messages API
 * Sync-up routers with OAuth1 version
 
 ## 2.2.1