diff --git a/pyproject.toml b/pyproject.toml
index 280acd8..b02ee2b 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -58,7 +58,7 @@ develop = [
   "mypy<1.11",
   "poethepoet<0.27",
   "pyproject-fmt<1.9",
-  "ruff<0.5",
+  "ruff<0.6",
   "validate-pyproject<0.19",
 ]
 docs = [