diff --git a/pyproject.toml b/pyproject.toml
index 171792b..66cca30 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -67,7 +67,7 @@ dev = [
     "pytest>=8.3.2,<8.5.0",
     "pre-commit>=3.8,<4.3",
     "mypy>=1.11.2,<1.17.0",
-    "ruff>=0.6.5,<0.12.0",
+    "ruff>=0.6.5,<0.15.0",
     "tox>=4.18.1,<4.27.0"
 ]
 florence_2 = [