diff --git a/pyproject.toml b/pyproject.toml
index 4cf32ce4e..86ac20411 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -58,6 +58,7 @@ test = [
     "pytest-timeout",
     "pytest-console-scripts",
     "ipykernel",
+    "jupyter_server[test]>=2.0.0rc3,<3",
     "jupyterlab_server[test]>=2.16.3,<3",
 ]
 dev = [