diff --git a/tox.ini b/tox.ini
index aa61787..d0588fb 100644
--- a/tox.ini
+++ b/tox.ini
@@ -181,7 +181,7 @@ exclude =
     .tox/
     versioneer.py
     _version.py
-    instance/
+    **/migrations/
 extend-ignore = T101
 max-complexity = 10
 max-line-length = 120