diff --git a/lib/opencv/version.rb b/lib/opencv/version.rb
index 24de0a1..49fc8d5 100755
--- a/lib/opencv/version.rb
+++ b/lib/opencv/version.rb
@@ -1,3 +1,3 @@
 module OpenCV
-  VERSION = '0.0.9.pre2'
+  VERSION = '0.0.9'
 end
diff --git a/ruby-opencv.gemspec b/ruby-opencv.gemspec
index 12e7746..012ace2 100644
--- a/ruby-opencv.gemspec
+++ b/ruby-opencv.gemspec
@@ -2,9 +2,9 @@
 
 Gem::Specification.new do |s|
   s.name = "ruby-opencv"
-  s.version = "0.0.9.pre2.20130505044041"
+  s.version = "0.0.9.20130505072136"
 
-  s.required_rubygems_version = Gem::Requirement.new("> 1.3.1") if s.respond_to? :required_rubygems_version=
+  s.required_rubygems_version = Gem::Requirement.new(">= 0") if s.respond_to? :required_rubygems_version=
   s.authors = ["lsxi", "ser1zw", "pcting"]
   s.date = "2013-05-04"
   s.description = "ruby-opencv is a wrapper of OpenCV for Ruby. It helps you to write computer vision programs (e.g. detecting faces from pictures) with Ruby."