diff --git a/pyproject.toml b/pyproject.toml
index 916b3c3..c3ecd1a 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -16,7 +16,7 @@ pytest = ">=7.1.2,<9.0.0"
 pytest-cov = ">=3,<7"
 tox = ">=3.26,<5.0"
 httpx = ">=0.24.1,<1.0.0"
-ruff = ">=0.5.0,<0.9.0"
+ruff = ">=0.5.0,<0.10.0"
 pyright = ">=1.1.350,<1.2"
 
 [tool.ruff]