diff --git a/requirements_dev.txt b/requirements_dev.txt
index 09890bc..bcbebf2 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -4,7 +4,7 @@ docker==4.3.1
 wheel==0.31.1
 watchdog==0.10.3
 tox==3.4.0
-coverage==4.5.3
+coverage==6.3.1
 Sphinx==3.2.1
 pygments==2.2.0
 cryptography==2.4.1