diff --git a/pyproject.toml b/pyproject.toml
index 9c33a86..c50d9d6 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -68,7 +68,7 @@ dev-docs = [
 
 dev-fmt = [
     "pre-commit>=3.0.4,<5.0",
-    "ruff==0.8.5",
+    "ruff==0.9.0",
 ]
 
 dev-build = [