diff --git a/pyproject.toml b/pyproject.toml
index 7cc55da..5e1a2da 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -88,7 +88,7 @@ develop = [
   "mypy==1.7.1",
   "poethepoet<1",
   "pyproject-fmt<1.6,>=1.3",
-  "ruff==0.1.8",
+  "ruff==0.1.9",
   "validate-pyproject<0.16",
 ]
 fileio = [