diff --git a/requirements-dev.txt b/requirements-dev.txt
index 27b71a268..0ed26cd1b 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -3,4 +3,4 @@ ddt==1.2.0
 flake8==3.5.0
 mock==3.0.5
 pytest==3.6.3
-pytest-cov==2.5.1
+pytest-cov==2.8.1