diff --git a/requirements_dev.txt b/requirements_dev.txt
index ce2702a..cb4b691 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -4,7 +4,7 @@ wheel==0.33.6
 watchdog==0.9.0
 flake8==3.7.8
 tox==3.13.2
-coverage==4.5.4
+coverage==5.5
 Sphinx==2.2.0
 sphinxcontrib-napoleon==0.7
 twine==1.13.0