diff --git a/requirements-dev.txt b/requirements-dev.txt
index b2248c9c6..1c73ff27e 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -5,4 +5,4 @@ flake8==3.6.0
 pytest==4.1.0
 pytest-mock==1.10.0
 pytest-asyncio==0.9.0
-pytest-cov==2.6.0
+pytest-cov==2.6.1