diff --git a/tox.ini b/tox.ini
index a73dc1ea8..114e5f70f 100644
--- a/tox.ini
+++ b/tox.ini
@@ -29,7 +29,7 @@ deps =
     pytest==2.8.7
     pytest-bdd==2.16.0
     pytest-catchlog==1.2.2
-    pytest-cov==2.2.0
+    pytest-cov==2.2.1
     pytest-faulthandler==1.3.0
     pytest-html==1.7
     pytest-mock==0.10.1