diff --git a/History.markdown b/History.markdown
index 0212a00..1ac7dce 100644
--- a/History.markdown
+++ b/History.markdown
@@ -1,4 +1,6 @@
 ## HEAD
+
+## 2.2.0 / 2017-12-14
 ## Major Enhancements
  * JRuby Support, thanks to [@mach-kernel](https://github.com/mach-kernel) ([#168](https://github.com/jekyll/classifier-reborn/pull/168))
  * Add support to reset trained classifiers to their initial state ([#143](https://github.com/jekyll/classifier-reborn/pull/143))
diff --git a/lib/classifier-reborn/version.rb b/lib/classifier-reborn/version.rb
index d00992b..495751c 100644
--- a/lib/classifier-reborn/version.rb
+++ b/lib/classifier-reborn/version.rb
@@ -1,3 +1,3 @@
 module ClassifierReborn
-  VERSION = '2.1.0'
+  VERSION = '2.2.0'
 end