diff --git a/lib/rscons/version.rb b/lib/rscons/version.rb
index e826ff4..785faa5 100644
--- a/lib/rscons/version.rb
+++ b/lib/rscons/version.rb
@@ -1,4 +1,4 @@
 module Rscons
   # Project version.
-  VERSION = "2.1.0"
+  VERSION = "2.2.0"
 end