diff --git a/pyproject.toml b/pyproject.toml
index 94cbffd..eb615ed 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -84,7 +84,7 @@ optional-dependencies.develop = [
   "mypy>=1.11,<1.19",
   "poethepoet<1",
   "pyproject-fmt<3",
-  "ruff<0.6",
+  "ruff<0.15",
   "validate-pyproject>=0.23,<1",
 ]
 optional-dependencies.release = [