diff --git a/tox.ini b/tox.ini
index 73e80b37..bdec0975 100644
--- a/tox.ini
+++ b/tox.ini
@@ -16,7 +16,7 @@ skipsdist = True
 sitepackages = True
 deps =
     -r{toxinidir}/requirements.txt
-    coverage
+    coverage<6.5.0
 commands =
     coverage run --omit='apps/scripts*,*_example.py,note_kfet/wsgi.py' --source=apps,note_kfet ./manage.py test apps/
     coverage report -m