diff --git a/dev-ruby/nokogiri-diff/nokogiri-diff-0.2.0-r2.ebuild b/dev-ruby/nokogiri-diff/nokogiri-diff-0.2.0-r2.ebuild
index ee3cf89cd0f83..c5ac79357dabb 100644
--- a/dev-ruby/nokogiri-diff/nokogiri-diff-0.2.0-r2.ebuild
+++ b/dev-ruby/nokogiri-diff/nokogiri-diff-0.2.0-r2.ebuild
@@ -3,7 +3,7 @@
 
 EAPI=5
 
-USE_RUBY="ruby21 ruby22 ruby23 ruby24"
+USE_RUBY="ruby23 ruby24 ruby25"
 
 RUBY_FAKEGEM_RECIPE_TEST="rspec"
 RUBY_FAKEGEM_RECIPE_DOC="yard"