diff --git a/requirements_dev.txt b/requirements_dev.txt
index 7ce54ac..bb4c508 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -4,7 +4,7 @@ wheel==0.33.6
 watchdog==0.9.0
 flake8==3.7.9
 tox==3.14.2
-coverage==4.5.4
+coverage==5.0.1
 Sphinx==2.3.0
 cryptography==2.8
 PyYAML==5.2