diff --git a/Gemfile.lock b/Gemfile.lock
index f26f9f0..73bd52d 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -38,19 +38,14 @@ GEM
     i18n (0.6.0)
     json (1.6.5)
     metaclass (0.0.1)
+    minitest (2.11.0)
     mocha (0.10.3)
       metaclass (~> 0.0.1)
     multi_json (1.0.4)
     rainbow (1.1.3)
     rake (0.8.7)
-    rspec (2.8.0)
-      rspec-core (~> 2.8.0)
-      rspec-expectations (~> 2.8.0)
-      rspec-mocks (~> 2.8.0)
-    rspec-core (2.8.0)
     rspec-expectations (2.8.0)
       diff-lcs (~> 1.1.2)
-    rspec-mocks (2.8.0)
     sqlite3 (1.3.5)
     term-ansicolor (1.0.7)
     tzinfo (0.3.31)
@@ -62,6 +57,7 @@ PLATFORMS
 DEPENDENCIES
   cucumber (>= 1.1.4)
   github-api-client!
+  minitest (>= 2.11.0)
   mocha (>= 0.10.0)
-  rspec (>= 2.7.0)
+  rspec-expectations (>= 2.7.0)
   yard (>= 0.6.0)
diff --git a/Rakefile b/Rakefile
index a01c580..9be1904 100644
--- a/Rakefile
+++ b/Rakefile
@@ -18,15 +18,11 @@ task :irb do
   system 'irb -I./lib -r github-api-client'
 end
 
-require 'rspec/core'
-require 'rspec/core/rake_task'
-RSpec::Core::RakeTask.new(:spec) do |spec|
-  spec.pattern = FileList['spec/**/*_spec.rb']
-end
-
-RSpec::Core::RakeTask.new(:rcov) do |spec|
-  spec.pattern = 'spec/**/*_spec.rb'
-  spec.rcov = true
+desc 'run test suite'
+task :tests do
+  Dir[File.dirname(__FILE__) + '/spec/*_spec.rb'].each do |file|
+    require file
+  end
 end
 
 require 'cucumber/rake/task'
diff --git a/github-api-client.gemspec b/github-api-client.gemspec
index 832100f..3c57a36 100644
--- a/github-api-client.gemspec
+++ b/github-api-client.gemspec
@@ -34,7 +34,8 @@ Gem::Specification.new do |s|
   s.add_runtime_dependency("sqlite3", [">= 1.3.5"])
   s.add_runtime_dependency("OptionParser", [">= 0.5.1"])
 
-  s.add_development_dependency("rspec", [">= 2.7.0"])
+  s.add_development_dependency("minitest", [">= 2.11.0"])
+  s.add_development_dependency("rspec-expectations", [">= 2.7.0"])
   s.add_development_dependency("mocha", [">= 0.10.0"])
   s.add_development_dependency("yard", [">= 0.6.0"])
   s.add_development_dependency("cucumber", [">= 1.1.4"])
diff --git a/spec/github-api-client_spec.rb b/spec/github-api-client_spec.rb
deleted file mode 100644
index 1347d74..0000000
--- a/spec/github-api-client_spec.rb
+++ /dev/null
@@ -1,122 +0,0 @@
-require File.expand_path(File.dirname(__FILE__) + '/spec_helper')
-
-describe "GitHub Api Client" do
-
-   before(:all) do
-
-      @real_github_user = `git config --global github.user`.strip
-      @real_github_token = `git config --global github.token`.strip
-
-      `git config --global --unset github.user`
-      `git config --global --unset github.token`
-      
-      GitHub::Config.setup
-      
-   end
-
-   after(:all) do
-
-      if !@real_github_user.empty?
-         `git config --global github.user "#{@real_github_user}"`
-      else
-         `git config --global --unset github.user`
-      end
-
-      if !@real_github_token.empty?
-         `git config --global github.token "#{@real_github_token}"`
-      else
-         `git config --global --unset github.token`
-      end
-
-   end
-
-   context "configuration" do
-
-      it "should create database on first run" do
-         File.stubs(:exists?).returns(false)
-         ActiveRecord::Migrator.expects(:migrate).with(GitHub::Config::Path[:migrations], nil).once
-         GitHub::Config.setup
-      end
-
-      it "should not migrate database every time" do
-         File.stubs(:exists?).returns(true)
-         ActiveRecord::Migrator.expects(:migrate).never
-         GitHub::Config.setup
-      end
-
-      it "should find git config setting for github user if defined" do
-         `git config --global github.user "test"`
-         `git config --global github.user`.strip.should == 'test'
-         `git config --global --unset github.user`
-
-
-      end
-
-      it "should find git config setting for github token if defined" do
-         `git config --global github.token "token"`
-         `git config --global github.token`.strip.should == 'token'
-         `git config --global --unset github.token`
-      end
-
-      it "should fall through if no user is defined" do
-         `git config --global --unset github.user`
-         GitHub::Config.expects(:setup).once
-         File.expects(:delete).with(GitHub::Config::Path[:dbfile]).once
-         GitHub::Config.reset
-      end
-
-
-      context "options" do
-
-         context "with enabled verbose" do
-
-            it "should print messages" do
-               GitHub::Config::Options.expects(:"[]").with(:verbose).returns(true)
-               GitHub::Browser.expects(:base_uri).once.returns("")
-               uri = mock("URI")
-               URI.expects(:parse).returns uri
-               Net::HTTP.expects(:get).with uri
-               $stdout.expects(:puts).once
-               GitHub::Browser.get("/users/show/farnoy")
-            end
-
-         end
-
-         context "with disabled verbose" do
-
-            it "should not print messages" do
-               GitHub::Config::Options.expects(:"[]").with(:verbose).returns(false)
-               GitHub::Browser.expects(:base_uri).once.returns("")
-               uri = mock("URI")
-               URI.expects(:parse).returns uri
-               Net::HTTP.expects(:get).with uri
-               $stdout.expects(:puts).never
-               GitHub::Browser.get("/users/show/farnoy")
-            end
-
-         end
-
-      end
-   end
-
-   context "basics" do
-
-      it "should save objects to database" do
-         u = GitHub::User.get("farnoy")
-         u.should == GitHub::User.find(u.id)
-      end
-
-   end
-
-   context "version" do
-
-      it "should assign properly" do
-         GitHub::Config::Version.should == File.read('VERSION')
-      end
-
-      it "should alias CAPITALIZED name for maniacs" do
-         GitHub::Config::Version.should == GitHub::Config::VERSION
-      end
-
-   end
-end
diff --git a/spec/other_spec.rb b/spec/other_spec.rb
new file mode 100644
index 0000000..5c76279
--- /dev/null
+++ b/spec/other_spec.rb
@@ -0,0 +1,14 @@
+require 'minitest/spec'
+MiniTest::Unit.autorun
+require 'rspec/expectations'
+require 'rspec/matchers'
+require 'mocha'
+
+describe "Testing framework other" do
+  it "executes" do
+    user = stub(:money => 50)
+    order = stub(:total_amount => 49.99)
+
+    user.money.should satisfy { |money| money > order.total_amount }
+  end
+end
diff --git a/spec/spec_helper.rb b/spec/spec_helper.rb
deleted file mode 100644
index 8134b44..0000000
--- a/spec/spec_helper.rb
+++ /dev/null
@@ -1,13 +0,0 @@
-$LOAD_PATH.unshift(File.join(File.dirname(__FILE__), '..', 'lib'))
-$LOAD_PATH.unshift(File.dirname(__FILE__))
-require 'rspec'
-require 'github-api-client'
-
-# Requires supporting files with custom matchers and macros, etc,
-# in ./support/ and its subdirectories.
-Dir["#{File.dirname(__FILE__)}/support/**/*.rb"].each {|f| require f}
-
-RSpec.configure do |config|
-  config.mock_with :rspec
-  config.mock_with :mocha
-end
diff --git a/spec/test_spec.rb b/spec/test_spec.rb
new file mode 100644
index 0000000..160b23b
--- /dev/null
+++ b/spec/test_spec.rb
@@ -0,0 +1,13 @@
+require 'minitest/spec'
+MiniTest::Unit.autorun
+require 'rspec/expectations'
+require 'rspec/matchers'
+require 'mocha'
+
+describe "Testing framework" do
+  it "executes" do
+    user = Struct.new("User", :name).new('kuba')
+    user.stubs(:age).returns(3)
+    3.should eq(user.age)
+  end
+end