diff --git a/pyproject.toml b/pyproject.toml
index a9f4af7..66a3933 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -31,6 +31,9 @@ requires-python = ">= 3.10"
 [tool.hatch.version]
 path = "rwx/__init__.py"
 
+[tool.ruff]
+line-length = 80
+
 [tool.ruff.lint]
 ignore = ["COM812", "D203", "D213", "ISC001"]
 select = ["ALL"]