diff --git a/requirements_dev.txt b/requirements_dev.txt
index 6b142ea..eac9d69 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -4,5 +4,5 @@ wheel==0.29.0
 watchdog==0.8.3
 flake8==3.3.0
 tox==2.6.0
-coverage==4.3.4
+coverage==5.5
 Sphinx==4.0.2