diff --git a/lib/racc/info.rb b/lib/racc/info.rb
index 04085bdc03..6934f902e8 100644
--- a/lib/racc/info.rb
+++ b/lib/racc/info.rb
@@ -11,7 +11,7 @@
 #++
 
 module Racc
-  VERSION   = '1.5.0'
+  VERSION   = '1.5.1'
   Version = VERSION
   Copyright = 'Copyright (c) 1999-2006 Minero Aoki'
 end
diff --git a/lib/racc/racc.gemspec b/lib/racc/racc.gemspec
index af499cffe3..1e375fe26b 100644
--- a/lib/racc/racc.gemspec
+++ b/lib/racc/racc.gemspec
@@ -2,7 +2,7 @@
 
 Gem::Specification.new do |s|
   s.name = "racc"
-  s.version = "1.5.0"
+  s.version = "1.5.1"
   s.summary = "Racc is a LALR(1) parser generator"
   s.description = <<DESC
 Racc is a LALR(1) parser generator.