diff --git a/www-servers/tornado/tornado-5.1.ebuild b/www-servers/tornado/tornado-5.1.ebuild
index 7b99b382e3fdc..728122716d35c 100644
--- a/www-servers/tornado/tornado-5.1.ebuild
+++ b/www-servers/tornado/tornado-5.1.ebuild
@@ -3,7 +3,7 @@
 
 EAPI=6
 
-PYTHON_COMPAT=( python2_7 python3_{4,5,6} )
+PYTHON_COMPAT=( python2_7 python3_{4,5,6,7} )
 PYTHON_REQ_USE="threads(+)"
 
 inherit distutils-r1