diff --git a/setup.cfg b/setup.cfg
index ee7be8e35..550385be8 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,5 +1,5 @@
 [flake8]
-max-line-length = 140
+max-line-length = 135
 extend-ignore = E203
 
 [isort]