diff --git a/pyproject.toml b/pyproject.toml
index 5064f25..736052e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -33,7 +33,7 @@ Issues = "https://github.com/dobters/pycomap/issues"
 Changelog = "https://github.com/dobters/pycomap/releases"
 
 [build-system]
-requires = ["uv_build>=0.9.26,<0.12.0"]
+requires = ["uv_build>=0.9.26,<0.13.0"]
 build-backend = "uv_build"
 
 [dependency-groups]