diff --git a/pyproject.toml b/pyproject.toml
index 8635155..34911aa 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -40,7 +40,7 @@ dev = [
     "pytest-cov~=5.0.0",
     "pytest-asyncio~=0.24.0",
     "pytest-httpx~=0.32.0",
-    "ruff~=0.7.0",
+    "ruff>=0.7,<0.10",
     "mkdocs-material[imaging]~=9.5.41",
     "mkdocstrings-python~=1.12.1",
     "mike~=2.1.3"