diff --git a/README.md b/README.md
index fee93d5f9c304c61f6e1a863620cfc2e3ec86df5..33d9407a0c12d3543689ea7f1610baf7fb49c148 100644
--- a/README.md
+++ b/README.md
@@ -69,7 +69,7 @@ Instructions on how to start GitLab and how to run the tests can be found in the
 GitLab is a Ruby on Rails application that runs on the following software:
 
 - Ubuntu/Debian/CentOS/RHEL
-- Ruby (MRI) 2.1
+- Ruby (MRI) 2.3
 - Git 2.7.4+
 - Redis 2.8+
 - MySQL or PostgreSQL
diff --git a/doc/install/requirements.md b/doc/install/requirements.md
index a65ac8a5f79adc5c6736de05efa39506f1e7ce9c..571f1a38358a620c257747d18a7f905f12e16506 100644
--- a/doc/install/requirements.md
+++ b/doc/install/requirements.md
@@ -32,7 +32,7 @@ Please consider using a virtual machine to run GitLab.
 
 ## Ruby versions
 
-GitLab requires Ruby (MRI) 2.1.x and currently does not work with versions 2.2 or 2.3.
+GitLab requires Ruby (MRI) 2.3. Support for Ruby versions below 2.3 (2.1, 2.2) will stop with GitLab 8.13.
 
 You will have to use the standard MRI implementation of Ruby.
 We love [JRuby](http://jruby.org/) and [Rubinius](http://rubini.us/) but GitLab