diff --git a/pyproject.toml b/pyproject.toml
index ef4cf96..e2e9425 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -22,7 +22,7 @@ pytest-xdist = "^3.3.1"
 black = ">=23.7,<25.0"
 flake8 = ">=6.1,<8.0"
 isort = "^5.12.0"
-pysen = "^0.10.5"
+pysen = ">=0.10.5,<0.12.0"
 pre-commit = "^3.3.3"
 
 [build-system]