README.md in intercom-3.5.20 vs README.md in intercom-3.5.21

- old
+ new

@@ -20,10 +20,10 @@
 
     gem install intercom
 
 Using bundler:
 
-    gem 'intercom', '~> 3.5.20'
+    gem 'intercom', '~> 3.5.21'
 
 ## Basic Usage
 
 ### Configure your client