diff --git a/README.md b/README.md
index 46a7e121..f3c02535 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,7 @@
 # ruby-vips : A fast image processing extension for Ruby.
 
+* This is a fork, just to tag and mark versions, [original repository](https://github.com/jcupitt/ruby-vips) *
+
 [![Build Status](https://secure.travis-ci.org/jcupitt/ruby-vips.png)](http://travis-ci.org/jcupitt/ruby-vips)
 
 ruby-vips is a ruby extension for [vips](http://www.vips.ecs.soton.ac.uk). 
@@ -49,6 +51,23 @@ latest libvips you can.
 
 ## Installation prerequisites
 
+### Debian (with vips 8.2.0 + imagemagick detailed instructions)
+
+```bash
+$ apt-get install libpq-dev libmagick++-dev libpng12-dev libjpeg-dev libgsf-1-dev libgsf-1-114 libgsf-1-common libgsf-bin
+$ wget "http://www.vips.ecs.soton.ac.uk/development/vips-8.2.0.tar.gz"
+$ tar -xzvf vips-8.2.0.tar.gz
+$ cd vips-8.2.0
+$ ./configure --disable-gtk-doc --with-magickpackage=ImageMagick
+$ make
+$ sudo make install
+$ sudo ldconfig /usr/local/lib
+$ cd my/project
+$ echo "gem 'ruby-vips', git: 'https://github.com/uistudio/ruby-vips.git', tag: 'v0.3.12'" >> Gemfile
+$ export PKG_CONFIG_PATH=/usr/local/lib/pkgconfig:/usr/lib/pkgconfig:/usr/X11/lib/pkgconfig
+$ bundle install
+```
+
 ### Ubuntu 
 
 ```bash
diff --git a/Rakefile b/Rakefile
index 94df6945..fced991f 100644
--- a/Rakefile
+++ b/Rakefile
@@ -22,15 +22,15 @@ Jeweler::Tasks.new do |gem|
   # gem is a Gem::Specification... see http://docs.rubygems.org/read/chapter/20 for more options
 
   gem.name = "ruby-vips"
-  gem.homepage = "http://github.com/jcupitt/ruby-vips"
+  gem.homepage = "http://github.com/uistudio/ruby-vips"
   gem.license = "MIT"
   
   gem.summary = %Q{ruby-vips is a ruby extension for vips. It is extremely fast and it can process huge images without requiring the entire image to be loaded into memory.}
   
-  gem.description = %Q{Ruby extension for the vips image processing library.}
+  gem.description = %Q{(UI Studio's fork) Ruby extension for the vips image processing library.}
   
-  gem.email = "jcupitt@gmail.com"
-  gem.authors = ["Timothy Elliott", "John Cupitt"]
+  gem.email = "dev@uistudio.co.jp"
+  gem.authors = ["Timothy Elliott", "John Cupitt", "UI Studio"]
 
   gem.version = VIPS::VERSION
   
diff --git a/lib/vips/version.rb b/lib/vips/version.rb
index 0c3fbb9a..46f0ad6d 100644
--- a/lib/vips/version.rb
+++ b/lib/vips/version.rb
@@ -1,3 +1,3 @@
 module VIPS
-  VERSION = "0.3.11"
+  VERSION = "0.3.12"
 end
diff --git a/ruby-vips.gemspec b/ruby-vips.gemspec
index a84879c6..9f1e5ff5 100644
--- a/ruby-vips.gemspec
+++ b/ruby-vips.gemspec
@@ -2,16 +2,19 @@
 # DO NOT EDIT THIS FILE DIRECTLY
 # Instead, edit Jeweler::Tasks in Rakefile, and run 'rake gemspec'
 # -*- encoding: utf-8 -*-
+# stub: ruby-vips 0.3.12 ruby lib
+# stub: ext/extconf.rb
 
 Gem::Specification.new do |s|
   s.name = "ruby-vips"
-  s.version = "0.3.9"
+  s.version = "0.3.12"
 
   s.required_rubygems_version = Gem::Requirement.new(">= 0") if s.respond_to? :required_rubygems_version=
-  s.authors = ["Timothy Elliott", "John Cupitt"]
-  s.date = "2014-07-17"
-  s.description = "Ruby extension for the vips image processing library."
-  s.email = "jcupitt@gmail.com"
+  s.require_paths = ["lib"]
+  s.authors = ["Timothy Elliott", "John Cupitt", "UI Studio"]
+  s.date = "2015-12-22"
+  s.description = "(UI Studio's fork) Ruby extension for the vips image processing library."
+  s.email = "dev@uistudio.co.jp"
   s.extensions = ["ext/extconf.rb"]
   s.extra_rdoc_files = [
     "LICENSE",
@@ -57,7 +60,6 @@ Gem::Specification.new do |s|
     "ext/reader.h",
     "ext/ruby_vips.c",
     "ext/ruby_vips.h",
-    "ext/tags",
     "ext/writer.c",
     "ext/writer.h",
     "lib/vips.rb",
@@ -67,33 +69,29 @@ Gem::Specification.new do |s|
     "ruby-vips.gemspec",
     "ruby.supp"
   ]
-  s.homepage = "http://github.com/jcupitt/ruby-vips"
+  s.homepage = "http://github.com/uistudio/ruby-vips"
   s.licenses = ["MIT"]
   s.rdoc_options = ["--title", "ruby-vips \#{version}", "ext"]
-  s.require_paths = ["lib"]
-  s.rubygems_version = "1.8.23"
+  s.rubygems_version = "2.4.5"
   s.summary = "ruby-vips is a ruby extension for vips. It is extremely fast and it can process huge images without requiring the entire image to be loaded into memory."
 
   if s.respond_to? :specification_version then
-    s.specification_version = 3
+    s.specification_version = 4
 
     if Gem::Version.new(Gem::VERSION) >= Gem::Version.new('1.2.0') then
-      s.add_development_dependency(%q<rdoc>, ["~> 4.1"])
-      s.add_development_dependency(%q<rdoc-data>, ["~> 4.0"])
-      s.add_development_dependency(%q<bundler>, [">= 0"])
+      s.add_development_dependency(%q<rdoc>, ["~> 3.12"])
+      s.add_development_dependency(%q<bundler>, ["~> 1.0"])
       s.add_development_dependency(%q<jeweler>, ["~> 1.8.3"])
       s.add_development_dependency(%q<rspec>, [">= 0"])
     else
-      s.add_dependency(%q<rdoc>, ["~> 4.1"])
-      s.add_dependency(%q<rdoc-data>, ["~> 4.0"])
-      s.add_dependency(%q<bundler>, [">= 0"])
+      s.add_dependency(%q<rdoc>, ["~> 3.12"])
+      s.add_dependency(%q<bundler>, ["~> 1.0"])
       s.add_dependency(%q<jeweler>, ["~> 1.8.3"])
       s.add_dependency(%q<rspec>, [">= 0"])
     end
   else
-    s.add_dependency(%q<rdoc>, ["~> 4.1"])
-    s.add_dependency(%q<rdoc-data>, ["~> 4.0"])
-    s.add_dependency(%q<bundler>, [">= 0"])
+    s.add_dependency(%q<rdoc>, ["~> 3.12"])
+    s.add_dependency(%q<bundler>, ["~> 1.0"])
     s.add_dependency(%q<jeweler>, ["~> 1.8.3"])
     s.add_dependency(%q<rspec>, [">= 0"])
   end