diff --git a/tox.ini b/tox.ini
index 37e9a1dc7..dec1263ba 100644
--- a/tox.ini
+++ b/tox.ini
@@ -22,7 +22,7 @@ deps =
     pytest-mock==0.8.1
     pytest-html==1.6
     pytest-faulthandler==1.0.1
-    pytest-sugar==0.4.0
+    pytest-sugar==0.5.1
     xvfbwrapper==0.2.5
     hypothesis==1.11.4
     coverage==4.0.0