diff --git a/config/projects/gitlab.rb b/config/projects/gitlab.rb
index 3d2d9c0..65893cd 100644
--- a/config/projects/gitlab.rb
+++ b/config/projects/gitlab.rb
@@ -25,6 +25,8 @@ install_path    "/opt/gitlab"
 build_version   Omnibus::BuildVersion.new.semver
 build_iteration 1
 
+override :ruby, version: '2.0.0-p451'
+
 # creates required build directories
 dependency "preparation"
 
diff --git a/config/software/ruby.rb b/config/software/ruby.rb
index 9e616a8..fae7bd7 100644
--- a/config/software/ruby.rb
+++ b/config/software/ruby.rb
@@ -31,6 +31,10 @@ version "1.9.3-p484" do
   source md5: '8ac0dee72fe12d75c8b2d0ef5d0c2968'
 end
 
+version "2.0.0-p451" do
+  source md5: '9227787a9636551f1749ee8394b5ffe5'
+end
+
 version "2.1.1" do
   source md5: 'e57fdbb8ed56e70c43f39c79da1654b2'
 end
--
libgit2 0.21.2