diff --git a/setup.cfg b/setup.cfg
index 5bf019b..39a68fd 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -41,7 +41,7 @@ testing =
 clog = py.typed
 
 [flake8]
-ignore = E266, E128, E261, E221, W292
+ignore = E266, E128, E261, E221, W292, W503
 max-line-length = 120
 per-file-ignores =
     clog/__init__.py:F401, F403