diff --git a/dev-ruby/sourcemap/sourcemap-0.1.1.ebuild b/dev-ruby/sourcemap/sourcemap-0.1.1.ebuild
index 57cc91ee52b3e..b79838deeec01 100644
--- a/dev-ruby/sourcemap/sourcemap-0.1.1.ebuild
+++ b/dev-ruby/sourcemap/sourcemap-0.1.1.ebuild
@@ -2,7 +2,7 @@
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI=5
-USE_RUBY="ruby21 ruby22 ruby23 ruby24"
+USE_RUBY="ruby22 ruby23 ruby24 ruby25"
 
 RUBY_FAKEGEM_RECIPE_DOC="rdoc"
 RUBY_FAKEGEM_EXTRADOC="README.md"