diff --git a/setup.cfg b/setup.cfg
index b6e1e2827..83abe7a35 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -39,3 +39,6 @@ packages =
     dimod.views
 python_requires = >=3.6
 zip_safe = False
+
+[pycodestyle]
+max-line-length = 100