diff --git a/pyproject.toml b/pyproject.toml
index f869aad..2e60c8b 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -40,7 +40,7 @@ ui = ["streamlit>=1.36"]
 divvy = "divvy.cli:main"
 
 [build-system]
-requires = ["uv_build>=0.11.26,<0.12.0"]
+requires = ["uv_build>=0.11.26,<0.13.0"]
 build-backend = "uv_build"
 
 # Distribution is "divvy-backtest" (the name "divvy" is taken on PyPI), but the import