diff --git a/pyproject.toml b/pyproject.toml
index f532f1af..1aff4fd3 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -44,7 +44,7 @@ dependencies = [
 [project.optional-dependencies]
 dev = [
   "hatch==1.9.4",
-  "ruff==0.3.7",
+  "ruff==0.4.1",
   "djlint==1.34.1",
   "mkdocs==1.5.3",
   "mkdocs-material==9.5.18",