diff --git a/pyproject.toml b/pyproject.toml
index d71650b..cbe0de0 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -34,6 +34,9 @@ Documentation = "https://asdf-pydantic.readthedocs.io"
 Issues = "https://github.com/ketozhang/asdf-pydantic/issues"
 Source = "https://github.com/ketozhang/asdf-pydantic"
 
+[tool.hatch.envs.default]
+installer = "uv"
+
 [tool.hatch.version]
 source = "vcs"