diff --git a/requirements_dev.txt b/requirements_dev.txt
index 28018e0..ad0ceb6 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -5,7 +5,7 @@ watchdog==0.9.0
 black==19.10b0
 flake8==3.7.9
 tox==3.14.2
-coverage==4.5.4
+coverage==5.5
 Sphinx==2.2.2
 twine==3.1.1