diff --git a/pyproject.toml b/pyproject.toml
index 5260935..15c3f92 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -49,7 +49,7 @@ test = [
     "pytest-pretty>=1.0.0,<2.0.0",
 ]
 quality = [
-    "ruff==0.8.4",
+    "ruff==0.8.6",
     "mypy==1.14.0",
     "types-Pillow",
     "pre-commit>=3.0.0,<5.0.0",