diff --git a/pyproject.toml b/pyproject.toml
index 88e4e2e..4ee32fd 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -72,7 +72,7 @@ docs = [
 ]
 
 [build-system]
-requires = ["uv_build>=0.11.8,<0.12.0"]
+requires = ["uv_build>=0.11.21,<0.12.0"]
 build-backend = "uv_build"
 
 [tool.ruff.lint]