diff --git a/pyproject.toml b/pyproject.toml
index 4152c09..09d7d8d 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -68,7 +68,7 @@ dev-docs = [
 
 dev-fmt = [
     "pre-commit>=3.0.4,<5.0",
-    "ruff==0.9.8",
+    "ruff==0.9.9",
 ]
 
 dev-build = [