diff --git a/tox.ini b/tox.ini
index d8635a022..11b1307b7 100644
--- a/tox.ini
+++ b/tox.ini
@@ -42,7 +42,7 @@ deps =
     Werkzeug==0.11.2
     wheel==0.26.0
     xvfbwrapper==0.2.6
-    cherrypy==3.8.2
+    cherrypy==4.0.0
 commands =
     {envpython} scripts/link_pyqt.py --tox {envdir}
     {envpython} -m py.test --strict -rfEsw --faulthandler-timeout=70 --cov --cov-report xml --cov-report=html --cov-report= {posargs:tests}