diff --git a/pyproject.toml b/pyproject.toml
index b0357f246..10d9edd09 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -49,7 +49,7 @@ Issues = "https://github.com/atlanhq/atlan-python/issues"
 [project.optional-dependencies]
 dev = [
     "mypy~=1.9.0",
-    "ruff~=0.9.9",
+    "ruff>=0.9.9,<0.13.0",
     "types-requests~=2.31.0.6",
     "types-setuptools~=75.8.0.20250110",
     "pytest~=8.3.4",