diff --git a/python/pyproject.toml b/python/pyproject.toml
index faba420ff..e8950955d 100644
--- a/python/pyproject.toml
+++ b/python/pyproject.toml
@@ -68,7 +68,7 @@ docs = [
     "sphinx-inline-tabs>=2023.4.21",
 ]
 dev = [
-    "ruff==0.15.8",
+    "ruff==0.15.9",
     "typos>=1.23.6",
     "pre-commit>=3.8.0",
     "esbonio>=0.16.5",