diff --git a/requirements_dev.txt b/requirements_dev.txt
index 9f44470..312451b 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -1,7 +1,7 @@
 -r requirements.txt
 
 bumpversion==0.5.3
-coverage==4.4.1
+coverage==5.1
 cryptography==1.9
 pylint==1.7.2
 httmock==1.2.6