diff --git a/pyproject.toml b/pyproject.toml
index f933fb21..3f9f09ee 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -56,7 +56,7 @@ profile = "black"
 line_length = 100
 
 [tool.flake8]
-line-length = 100
+max-line-length = 100
 
 [tool.bandit.assert_used]
 skips = ['*_test.py', '*/test_*.py']