diff --git a/config/projects/gitlab.rb b/config/projects/gitlab.rb
index 65893cd..11cd6b2 100644
--- a/config/projects/gitlab.rb
+++ b/config/projects/gitlab.rb
@@ -26,6 +26,7 @@ build_version   Omnibus::BuildVersion.new.semver
 build_iteration 1
 
 override :ruby, version: '2.0.0-p451'
+override :rubygems, version: '2.2.1'
 
 # creates required build directories
 dependency "preparation"
--
libgit2 0.21.2