diff --git a/pyproject.toml b/pyproject.toml
index 205589b..fb870bf 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -33,7 +33,7 @@ dev = [
 
 
 [build-system]
-requires = ["uv_build>=0.11.20,<0.12.0"]
+requires = ["uv_build>=0.11.21,<0.12.0"]
 build-backend = "uv_build"
 
 [tool.pytest.ini_options]