diff --git a/pyproject.toml b/pyproject.toml
index febb9f79..c5b26b66 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -44,7 +44,7 @@ dev = [
     "pytest-asyncio==0.25.0",
     "pytest-cov==6.0.0",
     "pytest-sugar==1.0.0",
-    "ruff==0.8.4",
+    "ruff==0.9.4",
     "ruff-lsp==0.0.59",
     "towncrier==24.8.0"
 ]