diff --git a/tox.ini b/tox.ini
index 6c69397..79a7a3e 100644
--- a/tox.ini
+++ b/tox.ini
@@ -20,4 +20,5 @@ deps =
 [flake8]
 exclude = .tox,env,build
 max-line-length = 120
-ignore = E731,E203,E501,W503
\ No newline at end of file
+select = C,E,F,W,B,B950
+extend-ignore = E203, E501