diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..c111b33
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+*.gem
diff --git a/README.markdown b/README.markdown
index a117aba..d2a3a23 100644
--- a/README.markdown
+++ b/README.markdown
@@ -9,7 +9,11 @@ It's a Ruby on Rails port of the connexion kits published by the bank.
 
 ## INSTALL
 
-script/plugin install git://github.com/novelys/paiementcic.git
+    script/plugin install git://github.com/novelys/paiementcic.git
+
+or, in your Gemfile
+
+    gem 'paiement_cic', :git => 'git://github.com/novelys/paiementcic.git', :branch => 'gem'
 
 ## USAGE
 
diff --git a/lib/paiement_cic/version.rb b/lib/paiement_cic/version.rb
new file mode 100644
index 0000000..b97e9ab
--- /dev/null
+++ b/lib/paiement_cic/version.rb
@@ -0,0 +1,3 @@
+class PaiementCic
+  VERSION = "0.1"
+end
diff --git a/paiement_cic.gemspec b/paiement_cic.gemspec
new file mode 100644
index 0000000..bf33c84
--- /dev/null
+++ b/paiement_cic.gemspec
@@ -0,0 +1,16 @@
+# encoding: utf-8
+$:.push File.expand_path("../lib", __FILE__)
+require "paiement_cic/version"
+
+Gem::Specification.new do |s|
+  s.name        = "paiement_cic"
+  s.version     = PaiementCic::VERSION
+  s.platform    = Gem::Platform::RUBY
+  s.authors     = ["Novelys Team"]
+  s.homepage    = "https://github.com/novelys/paiementcic"
+  s.summary     = %q{CIC / Crédit Mutuel credit card payment toolbox}
+  s.description = %q{Paiement CIC is a gem to ease credit card payment with the CIC / Crédit Mutuel banks system. It's a Ruby on Rails port of the connexion kits published by the bank.}
+
+  s.files         = `git ls-files`.split("\n")
+  s.require_paths = ["lib"]
+end