diff --git a/pyproject.toml b/pyproject.toml
index c7a99c5..a626215 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -100,7 +100,7 @@ develop = [
   "mypy<1.11",
   "poethepoet<0.28",
   "pyproject-fmt<2.2",
-  "ruff<0.5",
+  "ruff<0.6",
   "validate-pyproject<0.19",
 ]
 doc = [