diff --git a/tox.ini b/tox.ini
index e5dce99..a5b8495 100644
--- a/tox.ini
+++ b/tox.ini
@@ -13,4 +13,5 @@ commands =
 
 [isort]
 profile = black
-multi_line_output = 3
\ No newline at end of file
+multi_line_output = 3
+line_length = 120