diff --git a/pyproject.toml b/pyproject.toml
index 86da7e5..392713c 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -48,7 +48,7 @@ test = [
     "html5lib",
 ]
 lint = [
-    "ruff==0.5.5",
+    "ruff==0.6.6",
     "mypy",
     "types-docutils",
 ]