diff --git a/requirements_dev.txt b/requirements_dev.txt
index 02fe5e2..670bb49 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -4,7 +4,7 @@ wheel==0.29.0
 watchdog==0.8.3
 flake8==3.0.4
 tox==2.4.1
-coverage==4.2
+coverage==5.0.3
 Sphinx==1.4.8
 cryptography==2.0.2
 PyYAML==3.12