diff --git a/requirements-dev.txt b/requirements-dev.txt
index be8c6b1..f8fd358 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -6,7 +6,7 @@ requests >= 2.22
 futures >= 2.2; python_version < '3.0'
 
 Kodistubs ~= 18.0; python_version < '3.0'
-Kodistubs ~= 20.0; python_version >= '3.6'
+Kodistubs ~= 21.0; python_version >= '3.6'
 
 git+https://github.com/romanvm/kodi.six
 git+https://github.com/ruuk/script.module.addon.signals