diff --git a/lib/sequenceserver/version.rb b/lib/sequenceserver/version.rb
index 2e6cda1f8..543335edc 100644
--- a/lib/sequenceserver/version.rb
+++ b/lib/sequenceserver/version.rb
@@ -1,4 +1,4 @@
 # Define version number.
 module SequenceServer
-  VERSION = '2.1.0'.freeze
+  VERSION = '2.2.0'.freeze
 end