diff --git a/pyproject.toml b/pyproject.toml
index 944780b957..16c3cba4f2 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -60,6 +60,7 @@ test = [
     "jupyter_server[test]>=2.4.0,<3",
     "jupyterlab_server[test]>=2.27.1,<3",
     "importlib-resources>=5.0;python_version<\"3.10\"",
+    "jupyter_server @ git+https://github.com/jupyter-server/jupyter_server@main",
 ]
 docs = [
     "myst_parser",
@@ -74,6 +75,9 @@ dev = [
     "hatch"
 ]
 
+[tool.hatch.metadata]
+allow-direct-references = true
+
 [tool.hatch.version]
 path = "notebook/_version.py"
 validate-bump = false