diff --git a/lib/tsort.rb b/lib/tsort.rb
index 3a2a91a7b4..dbaed45415 100644
--- a/lib/tsort.rb
+++ b/lib/tsort.rb
@@ -123,7 +123,7 @@
 
 module TSort
 
-  VERSION = "0.1.1"
+  VERSION = "0.2.0"
 
   class Cyclic < StandardError
   end