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index 335736e53f5ea8ea12ba1f44dacbb8361a322742..133c15a83a7506e0f19159994afaf316e748721f 100644
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+++ b/README.md
@@ -83,7 +83,7 @@ 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/OpenSUSE
-- Ruby (MRI) 2.3
+- Ruby (MRI) 2.4
 - Git 2.8.4+
 - Redis 2.8+
 - PostgreSQL (preferred) or MySQL