diff --git a/HISTORY b/HISTORY
index a9b071d..b243055 100644
--- a/HISTORY
+++ b/HISTORY
@@ -1,4 +1,4 @@
-=== 2.2.0.0 2018-02-12
+=== 2.2.1.0 2018-02-12
 * Add session level decisions in Apply Decisions APIs.
 
 === 2.0.0.0 2016-07-19
diff --git a/lib/sift/version.rb b/lib/sift/version.rb
index 1d65074..3fef10a 100644
--- a/lib/sift/version.rb
+++ b/lib/sift/version.rb
@@ -1,4 +1,4 @@
 module Sift
-  VERSION = "2.2.0"
+  VERSION = "2.2.1"
   API_VERSION = "204"
 end