diff --git a/Gemfile b/Gemfile
index 923c072..ad2bd6b 100644
--- a/Gemfile
+++ b/Gemfile
@@ -2,24 +2,29 @@ require 'pathname'
 
 source 'http://rubygems.org'
 
-SOURCE       = ENV.fetch('SOURCE', :git).to_sym
-REPO_POSTFIX = SOURCE == :path ? ''                                : '.git'
-DATAMAPPER   = SOURCE == :path ? Pathname(__FILE__).dirname.parent : 'http://github.com/datamapper'
-DM_VERSION   = '~> 1.1.0'
-DO_VERSION   = '~> 0.10.2'
+SOURCE         = ENV.fetch('SOURCE', :git).to_sym
+REPO_POSTFIX   = SOURCE == :path ? ''                                : '.git'
+DATAMAPPER     = SOURCE == :path ? Pathname(__FILE__).dirname.parent : 'http://github.com/datamapper'
+DM_VERSION     = '~> 1.2.0'
+DO_VERSION     = '~> 0.10.6'
+CURRENT_BRANCH = ENV.fetch('GIT_BRANCH', 'master')
 
 do_options = {}
 do_options[:git] = "#{DATAMAPPER}/do#{REPO_POSTFIX}" if ENV['DO_GIT'] == 'true'
 
 gem 'do_postgres',   DO_VERSION, do_options.dup
-gem 'dm-do-adapter', DM_VERSION, SOURCE => "#{DATAMAPPER}/dm-do-adapter#{REPO_POSTFIX}"
+gem 'dm-do-adapter', DM_VERSION,
+  SOURCE  => "#{DATAMAPPER}/dm-do-adapter#{REPO_POSTFIX}",
+  :branch => CURRENT_BRANCH
 
 group :development do
 
-  gem 'dm-migrations', DM_VERSION, SOURCE => "#{DATAMAPPER}/dm-migrations#{REPO_POSTFIX}"
-  gem 'jeweler',       '~> 1.5.2'
-  gem 'rake',          '~> 0.8.7'
-  gem 'rspec',         '~> 1.3.1'
+  gem 'dm-migrations', DM_VERSION,
+    SOURCE  => "#{DATAMAPPER}/dm-migrations#{REPO_POSTFIX}",
+    :branch => CURRENT_BRANCH
+
+  gem 'jeweler',       '~> 1.6.4'
+  gem 'rspec',         '~> 1.3.2'
 
 end
 
@@ -35,14 +40,19 @@ end
 
 group :datamapper do
 
-  gem 'dm-core',      DM_VERSION, SOURCE => "#{DATAMAPPER}/dm-core#{REPO_POSTFIX}"
+  gem 'dm-core', DM_VERSION,
+    SOURCE  => "#{DATAMAPPER}/dm-core#{REPO_POSTFIX}",
+    :branch => CURRENT_BRANCH
+
   gem 'data_objects', DO_VERSION, do_options.dup
 
   plugins = ENV['PLUGINS'] || ENV['PLUGIN']
   plugins = plugins.to_s.tr(',', ' ').split.push('dm-migrations').uniq
 
   plugins.each do |plugin|
-    gem plugin, DM_VERSION, SOURCE => "#{DATAMAPPER}/#{plugin}#{REPO_POSTFIX}"
+    gem plugin, DM_VERSION,
+      SOURCE  => "#{DATAMAPPER}/#{plugin}#{REPO_POSTFIX}",
+      :branch => CURRENT_BRANCH
   end
 
 end
diff --git a/Rakefile b/Rakefile
index 0cca3b6..275087d 100644
--- a/Rakefile
+++ b/Rakefile
@@ -2,7 +2,7 @@ require 'rubygems'
 require 'rake'
 
 begin
-  gem 'jeweler', '~> 1.5.2'
+  gem 'jeweler', '~> 1.6.4'
   require 'jeweler'
 
   Jeweler::Tasks.new do |gem|
@@ -12,7 +12,6 @@ begin
     gem.email       = 'dan.kubb@gmail.com'
     gem.homepage    = 'http://github.com/datamapper/%s' % gem.name
     gem.authors     = [ 'Dan Kubb' ]
-    gem.has_rdoc    = 'yard'
 
     gem.rubyforge_project = 'datamapper'
   end
@@ -21,5 +20,5 @@ begin
 
   FileList['tasks/**/*.rake'].each { |task| import task }
 rescue LoadError
-  puts 'Jeweler (or a dependency) not available. Install it with: gem install jeweler -v 1.5.2'
+  puts 'Jeweler (or a dependency) not available. Install it with: gem install jeweler -v 1.6.4'
 end
diff --git a/VERSION b/VERSION
index 9084fa2..26aaba0 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-1.1.0
+1.2.0
diff --git a/dm-postgres-adapter.gemspec b/dm-postgres-adapter.gemspec
index 0fff778..9cd334b 100644
--- a/dm-postgres-adapter.gemspec
+++ b/dm-postgres-adapter.gemspec
@@ -4,14 +4,14 @@
 # -*- encoding: utf-8 -*-
 
 Gem::Specification.new do |s|
-  s.name = %q{dm-postgres-adapter}
-  s.version = "1.1.0"
+  s.name = "dm-postgres-adapter"
+  s.version = "1.2.0"
 
   s.required_rubygems_version = Gem::Requirement.new(">= 0") if s.respond_to? :required_rubygems_version=
   s.authors = ["Dan Kubb"]
-  s.date = %q{2011-03-16}
-  s.description = %q{PostgreSQL Adapter for DataMapper}
-  s.email = %q{dan.kubb@gmail.com}
+  s.date = "2011-10-09"
+  s.description = "PostgreSQL Adapter for DataMapper"
+  s.email = "dan.kubb@gmail.com"
   s.extra_rdoc_files = [
     "LICENSE"
   ]
@@ -32,41 +32,34 @@ Gem::Specification.new do |s|
     "tasks/yard.rake",
     "tasks/yardstick.rake"
   ]
-  s.homepage = %q{http://github.com/datamapper/dm-postgres-adapter}
+  s.homepage = "http://github.com/datamapper/dm-postgres-adapter"
   s.require_paths = ["lib"]
-  s.rubyforge_project = %q{datamapper}
-  s.rubygems_version = %q{1.6.2}
-  s.summary = %q{PostgreSQL Adapter for DataMapper}
-  s.test_files = [
-    "spec/adapter_spec.rb",
-    "spec/spec_helper.rb"
-  ]
+  s.rubyforge_project = "datamapper"
+  s.rubygems_version = "1.8.11"
+  s.summary = "PostgreSQL Adapter for DataMapper"
 
   if s.respond_to? :specification_version then
     s.specification_version = 3
 
     if Gem::Version.new(Gem::VERSION) >= Gem::Version.new('1.2.0') then
-      s.add_runtime_dependency(%q<do_postgres>, ["~> 0.10.2"])
-      s.add_runtime_dependency(%q<dm-do-adapter>, ["~> 1.1.0"])
-      s.add_development_dependency(%q<dm-migrations>, ["~> 1.1.0"])
-      s.add_development_dependency(%q<jeweler>, ["~> 1.5.2"])
-      s.add_development_dependency(%q<rake>, ["~> 0.8.7"])
-      s.add_development_dependency(%q<rspec>, ["~> 1.3.1"])
+      s.add_runtime_dependency(%q<do_postgres>, ["~> 0.10.6"])
+      s.add_runtime_dependency(%q<dm-do-adapter>, ["~> 1.2.0"])
+      s.add_development_dependency(%q<dm-migrations>, ["~> 1.2.0"])
+      s.add_development_dependency(%q<jeweler>, ["~> 1.6.4"])
+      s.add_development_dependency(%q<rspec>, ["~> 1.3.2"])
     else
-      s.add_dependency(%q<do_postgres>, ["~> 0.10.2"])
-      s.add_dependency(%q<dm-do-adapter>, ["~> 1.1.0"])
-      s.add_dependency(%q<dm-migrations>, ["~> 1.1.0"])
-      s.add_dependency(%q<jeweler>, ["~> 1.5.2"])
-      s.add_dependency(%q<rake>, ["~> 0.8.7"])
-      s.add_dependency(%q<rspec>, ["~> 1.3.1"])
+      s.add_dependency(%q<do_postgres>, ["~> 0.10.6"])
+      s.add_dependency(%q<dm-do-adapter>, ["~> 1.2.0"])
+      s.add_dependency(%q<dm-migrations>, ["~> 1.2.0"])
+      s.add_dependency(%q<jeweler>, ["~> 1.6.4"])
+      s.add_dependency(%q<rspec>, ["~> 1.3.2"])
     end
   else
-    s.add_dependency(%q<do_postgres>, ["~> 0.10.2"])
-    s.add_dependency(%q<dm-do-adapter>, ["~> 1.1.0"])
-    s.add_dependency(%q<dm-migrations>, ["~> 1.1.0"])
-    s.add_dependency(%q<jeweler>, ["~> 1.5.2"])
-    s.add_dependency(%q<rake>, ["~> 0.8.7"])
-    s.add_dependency(%q<rspec>, ["~> 1.3.1"])
+    s.add_dependency(%q<do_postgres>, ["~> 0.10.6"])
+    s.add_dependency(%q<dm-do-adapter>, ["~> 1.2.0"])
+    s.add_dependency(%q<dm-migrations>, ["~> 1.2.0"])
+    s.add_dependency(%q<jeweler>, ["~> 1.6.4"])
+    s.add_dependency(%q<rspec>, ["~> 1.3.2"])
   end
 end