diff --git a/tox.ini b/tox.ini
index 905a420b8664ef771171df355f8bd2772fdb65f5..15ac993f6f01f836cbdd50dde80645e41740b8dd 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,5 +1,5 @@
 [tox]
-envlist = py36, py37, flake8, docs, coverage, xvfb-run, sh
+envlist = py36, py37, flake8, docs, coverage, benchmark, xvfb-run, sh
 
 [travis]
 python =