diff --git a/lib/jsonapi/serializer/version.rb b/lib/jsonapi/serializer/version.rb
index 5fe99dc..667269e 100644
--- a/lib/jsonapi/serializer/version.rb
+++ b/lib/jsonapi/serializer/version.rb
@@ -1,5 +1,5 @@
 module JSONAPI
   module Serializer
-    VERSION = '2.1.0'.freeze
+    VERSION = '2.2.0'.freeze
   end
 end