diff --git a/pyproject.toml b/pyproject.toml
index e27b815..a7dca2c 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -81,3 +81,4 @@ required-imports = ["from __future__ import annotations"]
 
 [tool.ruff.pyupgrade]
 keep-runtime-typing = true
+keep-runtime-typing = true