diff --git a/tox.ini b/tox.ini
index 93f00d40a..0c4393277 100644
--- a/tox.ini
+++ b/tox.ini
@@ -24,7 +24,7 @@ deps =
     pytest==2.7.1
     pytest-capturelog==0.7
     pytest-qt==1.3.0
-    pytest-mock==0.5
+    pytest-mock==0.6.0
     pytest-html==1.3.1
 # We don't use {[testenv:mkvenv]commands} here because that seems to be broken
 # on Ubuntu Trusty.