diff --git a/requirements_dev.txt b/requirements_dev.txt
index f79ffc5..1e6a6a0 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -4,7 +4,7 @@ wheel==0.32.3
 watchdog==0.9.0
 flake8==3.6.0
 tox==3.5.3
-coverage==4.5.2
+coverage==5.1
 Sphinx==1.8.2
 twine==3.1.1
 click==7.0