diff --git a/pyproject.toml b/pyproject.toml
index 689734f..8ccdd24 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -34,7 +34,7 @@ Changelog = "https://github.com/jkomalley/envbool/blob/main/CHANGELOG.md"
 envbool = "envbool._cli:main"
 
 [build-system]
-requires = ["uv_build>=0.12.0,<0.13.0"]
+requires = ["uv_build>=0.12.0,<0.14.0"]
 build-backend = "uv_build"
 
 [dependency-groups]