diff --git a/dev-ruby/stamp/stamp-0.6.0.ebuild b/dev-ruby/stamp/stamp-0.6.0.ebuild
index a698b66c151ce..c1061069c3c98 100644
--- a/dev-ruby/stamp/stamp-0.6.0.ebuild
+++ b/dev-ruby/stamp/stamp-0.6.0.ebuild
@@ -4,7 +4,7 @@
 
 EAPI=5
 
-USE_RUBY="ruby20 ruby21"
+USE_RUBY="ruby20 ruby21 ruby22"
 
 RUBY_FAKEGEM_RECIPE_TEST="cucumber"
 RUBY_FAKEGEM_TASK_DOC=""