diff --git a/pyproject.toml b/pyproject.toml
index 7fb51ed..6d428e6 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -28,7 +28,7 @@ zetascale = "*"
 einops = "*"
 
 [tool.poetry.group.lint.dependencies]
-ruff = "^0.4.8"
+ruff = ">=0.4.8,<0.6.0"
 types-toml = "^0.10.8.1"
 types-redis = "^4.3.21.6"
 types-pytz = "^2024.1.0.20240417"