diff --git a/tox.ini b/tox.ini
index 7944deb..a9f863f 100644
--- a/tox.ini
+++ b/tox.ini
@@ -44,4 +44,4 @@ commands = flake8 src/wormhole
 [flake8]
 ignore = E741
 exclude = .git,__pycache__,docs/source/conf.py,old,build,dist
-max-complexity = 10
\ No newline at end of file
+max-complexity = 40