diff --git a/pyproject.toml b/pyproject.toml
index 29308d71..8dc2fa92 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -142,3 +142,6 @@ pythonVersion = "3.8"
 pythonPlatform = "All"
 typeCheckingMode = "basic"
 disableBytesTypePromotions = true
+
+[tool.ruff]
+line-length = 140
\ No newline at end of file