diff --git a/pyproject.toml b/pyproject.toml
index a7d71ca..5c439b8 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -40,7 +40,7 @@ test = [
     "pytest-pretty>=1.0.0,<2.0.0",
 ]
 quality = [
-    "ruff==0.6.4",
+    "ruff==0.6.6",
     "mypy==1.10.0",
     "pre-commit>=3.0.0,<4.0.0",
 ]
@@ -59,7 +59,7 @@ dev = [
     "pytest-cov>=3.0.0,<5.0.0",
     "pytest-pretty>=1.0.0,<2.0.0",
     # style
-    "ruff==0.6.4",
+    "ruff==0.6.6",
     "mypy==1.10.0",
     "pre-commit>=3.0.0,<4.0.0",
     # docs