diff --git a/pyproject.toml b/pyproject.toml
index 8d4f7d6..664e9d7 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -22,7 +22,7 @@ docs = [
 lint = [
     "mypy==1.20.0",
     "pre-commit==4.5.1",
-    "ruff==0.15.8",
+    "ruff==0.15.9",
 ]
 test = [
     "coverage==7.13.5",