diff --git a/tox.ini b/tox.ini
index d6b9b0a1a..ff6013a6c 100644
--- a/tox.ini
+++ b/tox.ini
@@ -44,8 +44,10 @@ commands =
 
 [testenv:isort]
 skip_install = true
+# Remove colorama after https://github.com/PyCQA/isort/issues/2211 is released
 deps =
     isort[colors]
+    colorama
 commands =
     isort --check --diff --color cachito tests