diff --git a/pyproject.toml b/pyproject.toml
index 28ca72dc..78c56069 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -44,7 +44,7 @@ dependencies = [
 [project.optional-dependencies]
 dev = [
   "hatch==1.14.0",
-  "ruff==0.9.6",
+  "ruff==0.9.9",
   "djlint==1.36.4",
   "mkdocs==1.6.1",
   "mkdocs-material==9.6.4",