diff --git a/setup.cfg b/setup.cfg
index 8b398f0..dbdf161 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -12,6 +12,7 @@ identity=0x1784577F811F6EAC
 count=true
 show-source=true
 statistics=true
+max-line-length=128
 
 [tool:pytest]
 addopts = --cov=sshuttle --cov-branch --cov-report=term-missing