diff --git a/lib/optparse.rb b/lib/optparse.rb
index ad20ce77a4..598ebd12bd 100644
--- a/lib/optparse.rb
+++ b/lib/optparse.rb
@@ -419,7 +419,7 @@
 # have any questions, file a ticket at http://bugs.ruby-lang.org.
 #
 class OptionParser
-  OptionParser::Version = "0.1.0"
+  OptionParser::Version = "0.1.1"
 
   # :stopdoc:
   NoArgument = [NO_ARGUMENT = :NONE, nil].freeze