Release 2.2.0.

Release 2.2.0.

diff --git a/CHANGELOG b/CHANGELOG
index 5346d3e..4db1cd7 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,5 +1,11 @@
 Unreleased
 
+28-01-2019
+
+- Version 2.2.0
+
+  - FIX: Ruby HTTP Client not backing off polling on error.
+
 11-12-2018
 
 - Version 2.2.0.pre.2
diff --git a/lib/message_bus/version.rb b/lib/message_bus/version.rb
index 52401ad..acd4852 100644
--- a/lib/message_bus/version.rb
+++ b/lib/message_bus/version.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
 
 module MessageBus
-  VERSION = "2.2.0.pre.2"
+  VERSION = "2.2.0"
 end

GitHub sha: f6891895