diff --git a/pyproject.toml b/pyproject.toml
index e43d13b..146ed95 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -15,7 +15,7 @@ pydantic = ">=2.0.0,<3.0.0"
 pytest = ">=7.1.2,<9.0.0"
 pytest-cov = ">=3,<7"
 tox = ">=3.26,<5.0"
-ruff = ">=0.5.0,<0.13.0"
+ruff = ">=0.5.0,<0.14.0"
 pyright = ">=1.1.350,<1.2"
 fastapi = ">=0.116.0,<1"  # just for testing the compatibilty
 anyio = ">=4.9.0,<5.0.0"