diff --git a/pyproject.toml b/pyproject.toml
index ce5bc2950..aafbae521 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -56,7 +56,7 @@ dev = [
 ]
 
 [build-system]
-requires = ["uv_build>=0.8.19,<0.9.0"]
+requires = ["uv_build>=0.8.19,<0.10.0"]
 build-backend = "uv_build"
 
 [tool.uv.build-backend]