diff --git a/Gemfile b/Gemfile
index 0d97a74990c5c..85077f37fd150 100644
--- a/Gemfile
+++ b/Gemfile
@@ -82,7 +82,7 @@ gem "seed-fu"
 
 # Markdown to HTML
 gem "redcarpet",     "~> 2.2.2"
-gem "github-markup", "~> 0.7.4", require: 'github/markup', git: 'https://github.com/gitlabhq/markup.git', ref: '61ade389c1e1c159359338f570d18464a44ddbc4' 
+gem "github-markup", "~> 0.7.4", require: 'github/markup', git: 'https://github.com/gitlabhq/markup.git', ref: '61ade389c1e1c159359338f570d18464a44ddbc4'
 
 # Asciidoc to HTML
 gem  "asciidoctor"
@@ -128,6 +128,9 @@ gem "hipchat", "~> 0.14.0"
 # Flowdock integration
 gem "gitlab-flowdock-git-hook", "~> 0.4.2"
 
+# Gemnasium integration
+gem "gemnasium-gitlab-service", "~> 0.2"
+
 # d3
 gem "d3_rails", "~> 3.1.4"
 
diff --git a/Gemfile.lock b/Gemfile.lock
index a501aefcae2b5..734339333816b 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -151,6 +151,8 @@ GEM
       dotenv (>= 0.7)
       thor (>= 0.13.6)
     formatador (0.2.4)
+    gemnasium-gitlab-service (0.2.1)
+      rugged (~> 0.19)
     gemoji (1.3.1)
     gherkin-ruby (0.3.1)
       racc
@@ -423,6 +425,7 @@ GEM
     ruby-hmac (0.4.0)
     ruby-progressbar (1.2.0)
     rubyntlm (0.1.1)
+    rugged (0.19.0)
     safe_yaml (0.9.7)
     sanitize (2.0.6)
       nokogiri (>= 1.4.4)
@@ -576,6 +579,7 @@ DEPENDENCIES
   fog (~> 1.3.1)
   font-awesome-rails (~> 3.2)
   foreman
+  gemnasium-gitlab-service (~> 0.2)
   gemoji (~> 1.3.0)
   github-markup (~> 0.7.4)!
   gitlab-flowdock-git-hook (~> 0.4.2)
diff --git a/app/models/project.rb b/app/models/project.rb
index da5f25f3cbc1d..7436e7636337c 100644
--- a/app/models/project.rb
+++ b/app/models/project.rb
@@ -53,6 +53,7 @@ class Project < ActiveRecord::Base
   has_one :hipchat_service, dependent: :destroy
   has_one :flowdock_service, dependent: :destroy
   has_one :assembla_service, dependent: :destroy
+  has_one :gemnasium_service, dependent: :destroy
   has_one :forked_project_link, dependent: :destroy, foreign_key: "forked_to_project_id"
   has_one :forked_from_project, through: :forked_project_link
 
@@ -256,7 +257,7 @@ def build_missing_services
   end
 
   def available_services_names
-    %w(gitlab_ci campfire hipchat pivotaltracker flowdock assembla emails_on_push)
+    %w(gitlab_ci campfire hipchat pivotaltracker flowdock assembla emails_on_push gemnasium)
   end
 
   def gitlab_ci?
diff --git a/app/models/project_services/assembla_service.rb b/app/models/project_services/assembla_service.rb
index 66ecf394784d6..b89ea54a2aae6 100644
--- a/app/models/project_services/assembla_service.rb
+++ b/app/models/project_services/assembla_service.rb
@@ -13,6 +13,7 @@
 #  project_url :string(255)
 #  subdomain   :string(255)
 #  room        :string(255)
+#  api_key     :string(255)
 #
 
 class AssemblaService < Service
diff --git a/app/models/project_services/campfire_service.rb b/app/models/project_services/campfire_service.rb
index fb2a49fd586ed..f9247e054c7df 100644
--- a/app/models/project_services/campfire_service.rb
+++ b/app/models/project_services/campfire_service.rb
@@ -13,6 +13,7 @@
 #  project_url :string(255)
 #  subdomain   :string(255)
 #  room        :string(255)
+#  api_key     :string(255)
 #
 
 class CampfireService < Service
diff --git a/app/models/project_services/emails_on_push_service.rb b/app/models/project_services/emails_on_push_service.rb
index 2a46eff7846ed..0a4531663425f 100644
--- a/app/models/project_services/emails_on_push_service.rb
+++ b/app/models/project_services/emails_on_push_service.rb
@@ -13,6 +13,7 @@
 #  project_url :string(255)
 #  subdomain   :string(255)
 #  room        :string(255)
+#  api_key     :string(255)
 #
 
 class EmailsOnPushService < Service
diff --git a/app/models/project_services/flowdock_service.rb b/app/models/project_services/flowdock_service.rb
index f72d9fa90151c..2603a1f67a47b 100644
--- a/app/models/project_services/flowdock_service.rb
+++ b/app/models/project_services/flowdock_service.rb
@@ -13,6 +13,7 @@
 #  project_url :string(255)
 #  subdomain   :string(255)
 #  room        :string(255)
+#  api_key     :string(255)
 #
 
 require "flowdock-git-hook"
diff --git a/app/models/project_services/gemnasium_service.rb b/app/models/project_services/gemnasium_service.rb
new file mode 100644
index 0000000000000..0b8e7bad353bd
--- /dev/null
+++ b/app/models/project_services/gemnasium_service.rb
@@ -0,0 +1,54 @@
+# == Schema Information
+#
+# Table name: services
+#
+#  id          :integer          not null, primary key
+#  type        :string(255)
+#  title       :string(255)
+#  token       :string(255)
+#  project_id  :integer          not null
+#  created_at  :datetime         not null
+#  updated_at  :datetime         not null
+#  active      :boolean          default(FALSE), not null
+#  project_url :string(255)
+#  subdomain   :string(255)
+#  room        :string(255)
+#  api_key     :string(255)
+#
+
+require "gemnasium/gitlab_service"
+
+class GemnasiumService < Service
+  validates :token, :api_key, presence: true, if: :activated?
+
+  def title
+    'Gemnasium'
+  end
+
+  def description
+    'Gemnasium monitors your project dependencies and alerts you about updates and security vulnerabilities.'
+  end
+
+  def to_param
+    'gemnasium'
+  end
+
+  def fields
+    [
+      { type: 'text', name: 'api_key', placeholder: 'Your personal API KEY on gemnasium.com ' },
+      { type: 'text', name: 'token', placeholder: 'The project\'s slug on gemnasium.com' }
+    ]
+  end
+
+  def execute(push_data)
+    repo_path = File.join(Gitlab.config.gitlab_shell.repos_path, "#{project.path_with_namespace}.git")
+    Gemnasium::GitlabService.execute(
+      ref: push_data[:ref],
+      before: push_data[:before],
+      after: push_data[:after],
+      token: token,
+      api_key: api_key,
+      repo: repo_path
+      )
+  end
+end
diff --git a/app/models/project_services/gitlab_ci_service.rb b/app/models/project_services/gitlab_ci_service.rb
index 7f5380a4551c2..017cd9eeaab2e 100644
--- a/app/models/project_services/gitlab_ci_service.rb
+++ b/app/models/project_services/gitlab_ci_service.rb
@@ -13,6 +13,7 @@
 #  project_url :string(255)
 #  subdomain   :string(255)
 #  room        :string(255)
+#  api_key     :string(255)
 #
 
 class GitlabCiService < Service
diff --git a/app/models/project_services/hipchat_service.rb b/app/models/project_services/hipchat_service.rb
index ea2169fb1688a..e3ea142c2c24f 100644
--- a/app/models/project_services/hipchat_service.rb
+++ b/app/models/project_services/hipchat_service.rb
@@ -13,6 +13,7 @@
 #  project_url :string(255)
 #  subdomain   :string(255)
 #  room        :string(255)
+#  api_key     :string(255)
 #
 
 class HipchatService < Service
diff --git a/app/models/project_services/pivotaltracker_service.rb b/app/models/project_services/pivotaltracker_service.rb
index c5b1b9ab8d30c..877b9a7740466 100644
--- a/app/models/project_services/pivotaltracker_service.rb
+++ b/app/models/project_services/pivotaltracker_service.rb
@@ -13,6 +13,7 @@
 #  project_url :string(255)
 #  subdomain   :string(255)
 #  room        :string(255)
+#  api_key     :string(255)
 #
 
 class PivotaltrackerService < Service
diff --git a/app/models/service.rb b/app/models/service.rb
index 540aaad1ce586..07153bea1f1fe 100644
--- a/app/models/service.rb
+++ b/app/models/service.rb
@@ -13,12 +13,13 @@
 #  project_url :string(255)
 #  subdomain   :string(255)
 #  room        :string(255)
+#  api_key     :string(255)
 #
 
 # To add new service you should build a class inherited from Service
 # and implement a set of methods
 class Service < ActiveRecord::Base
-  attr_accessible :title, :token, :type, :active
+  attr_accessible :title, :token, :type, :active, :api_key
 
   belongs_to :project
   has_one :service_hook
@@ -53,4 +54,13 @@ def execute
   def can_test?
     !project.empty_repo?
   end
+
+  def doc
+    begin
+      Gitlab::ServiceDoc.get(to_param)
+    rescue
+      Rails.logger.error "Unable to get Service documentation"
+      nil
+    end
+  end
 end
diff --git a/app/views/projects/services/_form.html.haml b/app/views/projects/services/_form.html.haml
index a3b5296ed1e3c..802fc30d175ac 100644
--- a/app/views/projects/services/_form.html.haml
+++ b/app/views/projects/services/_form.html.haml
@@ -43,3 +43,11 @@
     &nbsp;
     - if @service.valid? && @service.activated? && @service.can_test?
       = link_to 'Test settings', test_project_service_path(@project, @service.to_param), class: 'btn btn-small'
+
+
+- unless @service.doc.nil?
+  %h4
+    Help
+    %i.icon-question.clgray
+
+  %p= markdown(@service.doc)
diff --git a/config/initializers/load_services_doc.rb b/config/initializers/load_services_doc.rb
new file mode 100644
index 0000000000000..17746fae2718e
--- /dev/null
+++ b/config/initializers/load_services_doc.rb
@@ -0,0 +1 @@
+Gitlab::ServiceDoc.load
diff --git a/db/migrate/20140214102325_add_api_key_to_services.rb b/db/migrate/20140214102325_add_api_key_to_services.rb
new file mode 100644
index 0000000000000..30eeca2c1f65c
--- /dev/null
+++ b/db/migrate/20140214102325_add_api_key_to_services.rb
@@ -0,0 +1,5 @@
+class AddApiKeyToServices < ActiveRecord::Migration
+  def change
+    add_column :services, :api_key, :string
+  end
+end
diff --git a/db/schema.rb b/db/schema.rb
index 73d0a92e1cc95..78ac5a0be113e 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -11,7 +11,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 20140116231608) do
+ActiveRecord::Schema.define(version: 20140214102325) do
 
   create_table "broadcast_messages", force: true do |t|
     t.text     "message",    null: false
@@ -222,6 +222,7 @@
     t.string   "subdomain"
     t.string   "room"
     t.text     "recipients"
+    t.string   "api_key"
   end
 
   add_index "services", ["project_id"], name: "index_services_on_project_id", using: :btree
diff --git a/doc/services/gemnasium b/doc/services/gemnasium
new file mode 100644
index 0000000000000..cebe374f9599e
--- /dev/null
+++ b/doc/services/gemnasium
@@ -0,0 +1,13 @@
+To setup the service you'll need to register an account on [gemnasium.com](https://gemnasium.com/) and add your project.
+Then proceed with the following steps:
+
+----
+
+1.  Grab your personnal API key from your [account's settings page](https://gemnasium.com/settings)
+2.  Grab the project's slug from the project's settings page and paste it in **token** field
+3.  Check "Active"
+4.  Click "Save"
+5.  Click "Update Settings" to manually trigger the first sync
+
+Now you can check your project's status on [gemnasium.com](https://gemnasium.com/).
+It will be updated automatically each time you push commits on this repository.
diff --git a/features/project/service.feature b/features/project/service.feature
index 46b983e8f9a36..9dcc966d6ab99 100644
--- a/features/project/service.feature
+++ b/features/project/service.feature
@@ -42,3 +42,10 @@ Feature: Project Services
     And I click email on push service link
     And I fill email on push settings
     Then I should see email on push service settings saved
+
+  Scenario: Activate Gemnasium service
+    When I visit project "Shop" services page
+    And I click Gemnasium service link
+    Then I should see Gemnasium service help text
+    And I fill Gemnasium settings
+    Then I should see Gemnasium service settings saved
diff --git a/features/steps/project/project_services.rb b/features/steps/project/project_services.rb
index 54b3f18e0845a..a885f58451a87 100644
--- a/features/steps/project/project_services.rb
+++ b/features/steps/project/project_services.rb
@@ -13,6 +13,7 @@ class ProjectServices < Spinach::FeatureSteps
     page.should have_content 'Hipchat'
     page.should have_content 'GitLab CI'
     page.should have_content 'Assembla'
+    page.should have_content 'Gemnasium'
   end
 
   step 'I click gitlab-ci service link' do
@@ -100,4 +101,25 @@ class ProjectServices < Spinach::FeatureSteps
   step 'I should see email on push service settings saved' do
     find_field('Recipients').value.should == 'qa@company.name'
   end
+
+  step 'I click Gemnasium service link' do
+    click_link 'Gemnasium'
+  end
+
+  step 'I fill Gemnasium settings' do
+    check 'Active'
+    fill_in 'Api key', with: 'verySecretApiKey'
+    fill_in 'Token', with: 'verySecret'
+    click_button 'Save'
+  end
+
+  step 'I should see Gemnasium service settings saved' do
+    find_field('Api key').value.should == 'verySecretApiKey'
+    find_field('Token').value.should == 'verySecret'
+  end
+
+  step 'I should see Gemnasium service help text' do
+    page.should have_content "To setup the service you'll need to register an account on gemnasium.com and add your project."
+  end
+
 end
diff --git a/lib/gitlab/service_doc.rb b/lib/gitlab/service_doc.rb
new file mode 100644
index 0000000000000..34922feecbd97
--- /dev/null
+++ b/lib/gitlab/service_doc.rb
@@ -0,0 +1,20 @@
+module Gitlab
+  class ServiceDoc
+    DOC_DIR = Rails.root.join("doc","services").freeze
+    class << self
+      def load
+        @docs = {}
+        if File.exists? DOC_DIR
+          Dir.foreach(DOC_DIR) do |name|
+            next if name == '.' or name == '..'
+            @docs[name] = File.read(File.join(DOC_DIR, name))
+          end
+        end
+      end
+
+      def get(name)
+        @docs[name]
+      end
+    end
+  end
+end
diff --git a/spec/fixtures/doc/services/example b/spec/fixtures/doc/services/example
new file mode 100644
index 0000000000000..58568b4b431c2
--- /dev/null
+++ b/spec/fixtures/doc/services/example
@@ -0,0 +1 @@
+This is a sample documentation file
diff --git a/spec/lib/gitlab/service_doc_spec.rb b/spec/lib/gitlab/service_doc_spec.rb
new file mode 100644
index 0000000000000..6691746e58755
--- /dev/null
+++ b/spec/lib/gitlab/service_doc_spec.rb
@@ -0,0 +1,34 @@
+require 'spec_helper'
+
+describe Gitlab::ServiceDoc do
+
+  describe 'load' do
+    context "without doc folder" do
+      before do
+        Gitlab::ServiceDoc.send(:remove_const, 'DOC_DIR')
+        Gitlab::ServiceDoc::DOC_DIR = "imaginary_dir"
+      end
+      it { expect{ Gitlab::ServiceDoc.load }.to_not raise_error }
+      it { Gitlab::ServiceDoc.instance_variable_get(:@docs).should be_empty }
+    end
+
+    context "without doc files" do
+      before do
+        Dir.stub(:foreach).and_return([])
+      end
+      it { expect{ Gitlab::ServiceDoc.load }.to_not raise_error }
+      it { Gitlab::ServiceDoc.instance_variable_get(:@docs).should be_empty }
+    end
+
+    context "with doc files" do
+      before do
+        Gitlab::ServiceDoc.send(:remove_const, 'DOC_DIR')
+        Gitlab::ServiceDoc::DOC_DIR = Rails.root.join("spec","fixtures","doc","services")
+        Gitlab::ServiceDoc.load
+      end
+      it { Gitlab::ServiceDoc.instance_variable_get(:@docs).should_not be_empty }
+      it { Gitlab::ServiceDoc.get("example").should  == "This is a sample documentation file" }
+    end
+  end
+
+end
diff --git a/spec/models/assembla_service_spec.rb b/spec/models/assembla_service_spec.rb
index 0b961c81ac115..3ac67a8bb40a6 100644
--- a/spec/models/assembla_service_spec.rb
+++ b/spec/models/assembla_service_spec.rb
@@ -13,6 +13,7 @@
 #  project_url :string(255)
 #  subdomain   :string(255)
 #  room        :string(255)
+#  api_key     :string(255)
 #
 
 require 'spec_helper'
diff --git a/spec/models/flowdock_service_spec.rb b/spec/models/flowdock_service_spec.rb
index 636aba2f0124e..c7f9e187c11a1 100644
--- a/spec/models/flowdock_service_spec.rb
+++ b/spec/models/flowdock_service_spec.rb
@@ -13,6 +13,7 @@
 #  project_url :string(255)
 #  subdomain   :string(255)
 #  room        :string(255)
+#  api_key     :string(255)
 #
 
 require 'spec_helper'
diff --git a/spec/models/gemnasium_service_spec.rb b/spec/models/gemnasium_service_spec.rb
new file mode 100644
index 0000000000000..dfc99849d6063
--- /dev/null
+++ b/spec/models/gemnasium_service_spec.rb
@@ -0,0 +1,47 @@
+# == Schema Information
+#
+# Table name: services
+#
+#  id          :integer          not null, primary key
+#  type        :string(255)
+#  title       :string(255)
+#  token       :string(255)
+#  project_id  :integer          not null
+#  created_at  :datetime         not null
+#  updated_at  :datetime         not null
+#  active      :boolean          default(FALSE), not null
+#  project_url :string(255)
+#  subdomain   :string(255)
+#  room        :string(255)
+#  api_key     :string(255)
+#
+
+require 'spec_helper'
+
+describe GemnasiumService do
+  describe "Associations" do
+    it { should belong_to :project }
+    it { should have_one :service_hook }
+  end
+
+  describe "Execute" do
+    let(:user)    { create(:user) }
+    let(:project) { create(:project) }
+
+    before do
+      @gemnasium_service = GemnasiumService.new
+      @gemnasium_service.stub(
+        project_id: project.id,
+        project: project,
+        service_hook: true,
+        token: 'verySecret',
+        api_key: 'GemnasiumUserApiKey'
+      )
+      @sample_data = GitPushService.new.sample_data(project, user)
+    end
+    it "should call Gemnasium service" do
+      Gemnasium::GitlabService.should_receive(:execute).with(an_instance_of(Hash)).once
+      @gemnasium_service.execute(@sample_data)
+    end
+  end
+end
diff --git a/spec/models/gitlab_ci_service_spec.rb b/spec/models/gitlab_ci_service_spec.rb
index 56efa9df45782..8ec15cb346606 100644
--- a/spec/models/gitlab_ci_service_spec.rb
+++ b/spec/models/gitlab_ci_service_spec.rb
@@ -13,6 +13,7 @@
 #  project_url :string(255)
 #  subdomain   :string(255)
 #  room        :string(255)
+#  api_key     :string(255)
 #
 
 require 'spec_helper'
diff --git a/spec/models/service_spec.rb b/spec/models/service_spec.rb
index 667c80bcf19e9..35925abdf92ac 100644
--- a/spec/models/service_spec.rb
+++ b/spec/models/service_spec.rb
@@ -13,6 +13,7 @@
 #  project_url :string(255)
 #  subdomain   :string(255)
 #  room        :string(255)
+#  api_key     :string(255)
 #
 
 require 'spec_helper'
@@ -63,4 +64,37 @@
       end
     end
   end
+
+  describe :doc do
+    before do
+      @service = Service.new
+      @service.stub(:to_param).and_return("example")
+    end
+
+    context "without documentation file" do
+      before do
+        Gitlab::ServiceDoc.instance_variable_set(:@docs, {"another_service" => "Some service documentation"})
+      end
+
+      it { @service.doc.should be_nil }
+    end
+
+    context "with documentation file provided" do
+      before do
+        Gitlab::ServiceDoc.instance_variable_set(:@docs, {@service.to_param => "Some service documentation"})
+      end
+
+      it { @service.doc.should == "Some service documentation" }
+    end
+
+    context "when something bad happens" do
+      before do
+        Gitlab::ServiceDoc.stub(:get).and_raise("something bad")
+      end
+
+      it { expect { @service.doc }.to_not raise_error }
+      it { @service.doc.should be_nil }
+    end
+
+  end
 end