diff --git a/tox.ini b/tox.ini
index 63093ed75..31fb7bdef 100644
--- a/tox.ini
+++ b/tox.ini
@@ -22,6 +22,7 @@ deps =
     pytest-capturelog==0.7
     pytest-qt==1.3.0
     pytest-mock==0.5
+    pytest-html==1.1
 # We don't use {[testenv:mkvenv]commands} here because that seems to be broken
 # on Ubuntu Trusty.
 commands =