diff --git a/pyproject.toml b/pyproject.toml
index e761c337..0133f3e9 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -65,7 +65,7 @@ dev = [
   "mypy==1.19.1",
   "black==26.3.1",
   "pyright==1.1.408",
-  "ruff==0.15.6",
+  "ruff==0.15.9",
   "pytest",
   "pytest-cov",
   "pytest-watch",