diff --git a/.gitignore b/.gitignore
index 673f282..edc85b0 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,16 +1,25 @@
-/target
-/classes
-/checkouts
-pom.xml
-*.jar
-*.class
-.lein-deps-sum
-.lein-failures
-.lein-plugins
-/build
-.DS_Store
-*.clj
-.rvmrc
 *.gem
+*.rbc
+.bundle
+.config
+.yardoc
+Gemfile.lock
+InstalledFiles
+_yardoc
+coverage
+doc/
+lib/bundler/man
+pkg
+rdoc
+spec/reports
+test/tmp
+test/version_tmp
+tmp
+
+/build
 .repl_history
-.dat*
+.rvmrc
+.ruby-gemset
+.ruby-version
+.DS_Store
+.dat*
\ No newline at end of file
diff --git a/Gemfile b/Gemfile
index ef86f71..c70dc6f 100644
--- a/Gemfile
+++ b/Gemfile
@@ -2,8 +2,3 @@ source 'https://rubygems.org'
 
 # Specify your gem's dependencies in ProMotion.gemspec
 gemspec
-
-# Use this in development
-gem "rake"
-gem "motion-stump"
-gem 'motion-redgreen'
diff --git a/ProMotion.gemspec b/ProMotion.gemspec
index e97820c..248bab0 100644
--- a/ProMotion.gemspec
+++ b/ProMotion.gemspec
@@ -19,5 +19,8 @@ Gem::Specification.new do |gem|
   gem.name          = "ProMotion"
   gem.require_paths = ["lib"]
   gem.version       = ProMotion::VERSION
-  # gem.add_dependency("motion-table", "~> 0.1.6")
+
+  gem.add_development_dependency("motion-stump")
+  gem.add_development_dependency("motion-redgreen")
+  gem.add_development_dependency("rake")
 end
diff --git a/Rakefile b/Rakefile
index a69ffca..4c782ba 100644
--- a/Rakefile
+++ b/Rakefile
@@ -1,7 +1,12 @@
 $:.unshift("/Library/RubyMotion/lib")
 require 'motion/project/template/ios'
 require 'bundler'
-Bundler.require
+
+# this follow from gemspec
+Bundler.require(:development)
+
+# this follow development code
+require 'ProMotion'
 
 Motion::Project::App.setup do |app|
   app.name = 'ProMotionTest'