diff --git a/dev-requirements.txt b/dev-requirements.txt
index c3e517e1..6203aba5 100644
--- a/dev-requirements.txt
+++ b/dev-requirements.txt
@@ -1,5 +1,5 @@
 flask==1.0.2
 pytest==3.6.2
-pytest-cov==2.5.1
+pytest-cov==2.6.1
 codacy-coverage==1.3.11
 requests-mock==1.5.2