diff --git a/.buildpacks b/.buildpacks
new file mode 100644
index 00000000..eb20a5d0
--- /dev/null
+++ b/.buildpacks
@@ -0,0 +1,2 @@
+https://github.com/heroku/heroku-buildpack-ruby.git
+https://github.com/drogus/last-commit-sha-buildpack.git
diff --git a/Gemfile.lock b/Gemfile.lock
index 5de2987f..d831a755 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -6,7 +6,7 @@ GIT
 
 GIT
   remote: git://github.com/getsentry/raven-ruby.git
-  revision: bc9529e1a79641461f3db9d66c4ea4e8569cb40d
+  revision: fa360a9c5919c19f11552b9de6f83302060901f0
   specs:
     sentry-raven (0.3.1)
       faraday (>= 0.7.6)
@@ -42,7 +42,7 @@ GIT
 
 GIT
   remote: git://github.com/travis-ci/travis-core.git
-  revision: ee4cc1f120d951dd4c75d4ec858eb531901e9889
+  revision: 6d3159598ece0bfe82cc0c4897e4c0ebb60b3c7f
   specs:
     travis-core (0.0.1)
       actionmailer (~> 3.2.3)
@@ -63,10 +63,9 @@ GIT
 
 GIT
   remote: git://github.com/travis-ci/travis-sidekiqs.git
-  revision: 8ee04e96a26f8caa49045bce87ed756dbc4e1d55
+  revision: cde9741f8e6811fe3929bdd0dd653b87289c5eef
   specs:
     travis-sidekiqs (0.0.1)
-      sentry-raven
       sidekiq (~> 2.5.0)
 
 GIT
@@ -227,7 +226,7 @@ GEM
     rspec-expectations (2.12.0)
       diff-lcs (~> 1.1.3)
     rspec-mocks (2.12.0)
-    sidekiq (2.5.3)
+    sidekiq (2.5.4)
       celluloid (~> 0.12.0)
       connection_pool (~> 0.9.2)
       multi_json (~> 1)
diff --git a/lib/travis/api/app.rb b/lib/travis/api/app.rb
index 1ea565b4..ecb8d19c 100644
--- a/lib/travis/api/app.rb
+++ b/lib/travis/api/app.rb
@@ -61,10 +61,11 @@ module Travis::Api
         use ActiveRecord::QueryCache
 
         if memcache_servers = ENV['MEMCACHE_SERVERS']
+          namespace = File.read('.deploy-sha')[0..7]
           use Rack::Cache,
             verbose: true,
-            metastore:   "memcached://#{memcache_servers}",
-            entitystore: "memcached://#{memcache_servers}"
+            metastore:   "memcached://#{memcache_servers}/#{namespace}",
+            entitystore: "memcached://#{memcache_servers}/#{namespace}"
         end
 
         use Rack::Deflater
diff --git a/lib/travis/api/app/endpoint/repos.rb b/lib/travis/api/app/endpoint/repos.rb
index 42f97e4b..09be4d5e 100644
--- a/lib/travis/api/app/endpoint/repos.rb
+++ b/lib/travis/api/app/endpoint/repos.rb
@@ -20,6 +20,10 @@ class Travis::Api::App
         respond_with service(:find_repo, params.merge(schema: 'cc'))
       end
 
+      get '/:id/key' do
+        respond_with service(:find_repo_key, params)
+      end
+
       get '/:owner_name/:name' do
         respond_with service(:find_repo, params)
       end
@@ -35,6 +39,10 @@ class Travis::Api::App
       get '/:owner_name/:name/cc' do
         respond_with service(:find_repo, params.merge(schema: 'cc'))
       end
+
+      get '/:owner_name/:name/key' do
+        respond_with service(:find_repo_key, params)
+      end
     end
   end
 end
diff --git a/script/console b/script/console
index ec171de5..fd1fd99c 100755
--- a/script/console
+++ b/script/console
@@ -6,7 +6,7 @@ require 'travis/api/app'
 require 'pry'
 
 class Travis::Console
-  include Travis::Services
+  include Travis::Services::Helpers
   attr_reader :current_user
 
   def set_user(user)
diff --git a/spec/integration/v2/repositories_spec.rb b/spec/integration/v2/repositories_spec.rb
index a4de23a4..1a0166e6 100644
--- a/spec/integration/v2/repositories_spec.rb
+++ b/spec/integration/v2/repositories_spec.rb
@@ -6,6 +6,16 @@ describe 'Repos' do
   let(:repo)    { Repository.by_slug('svenfuchs/minimal').first }
   let(:headers) { { 'HTTP_ACCEPT' => 'application/vnd.travis-ci.2+json' } }
 
+  it 'GET /repos/:id/key' do
+    response = get "/repos/#{repo.id}/key", {}, headers
+    response.should deliver_json_for(repo.key, version: 'v2')
+  end
+
+  it 'GET /repos/:slug/key' do
+    response = get "/repos/#{repo.slug}/key", {}, headers
+    response.should deliver_json_for(repo.key, version: 'v2')
+  end
+
   it 'GET /repos' do
     response = get '/repos', {}, headers
     response.should deliver_json_for(Repository.timeline, version: 'v2')