diff --git a/pyproject.toml b/pyproject.toml
index 085aaf8..a4375d1 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -48,7 +48,7 @@ dev = [
     "pytest==8.3.4",
     "pytest-benchmark==5.1.0",
     "pytest-cov==6.0.0",
-    "ruff==0.8.5",
+    "ruff==0.9.0",
     "tox==4.23.2",
 ]