diff --git a/pyproject.toml b/pyproject.toml
index c4eb829..a96a70b 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -31,3 +31,7 @@ dev = [
     "pytest",
     "pytest-asyncio",
 ]
+
+[tool.hatch.build.targets.wheel]
+ignore-vcs = true
+packages = ["src/ypywidgets"]