diff --git a/dev-ruby/rbst/rbst-0.5.1.ebuild b/dev-ruby/rbst/rbst-0.5.1.ebuild
index 351600709f786..845a17891ac9a 100644
--- a/dev-ruby/rbst/rbst-0.5.1.ebuild
+++ b/dev-ruby/rbst/rbst-0.5.1.ebuild
@@ -2,7 +2,7 @@
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI=6
-PYTHON_COMPAT=( python{2_7,3_4,3_5,3_6} )
+PYTHON_COMPAT=( python{2_7,3_4,3_5,3_6,3_7} )
 USE_RUBY="ruby22 ruby23 ruby24"
 
 RUBY_FAKEGEM_NAME="RbST"