diff --git a/tox.ini b/tox.ini
index 17c491a11..56457c53b 100644
--- a/tox.ini
+++ b/tox.ini
@@ -23,7 +23,7 @@ deps =
     hypothesis==1.10.5
     hypothesis-pytest==0.17.0
     coverage==3.7.1
-    pytest-cov==2.0.0
+    pytest-cov==2.1.0
     cov-core==1.15.0
     beautifulsoup4==4.4.0
 commands =