--- pyproject.toml.orig	2020-02-02 00:00:00 UTC
+++ pyproject.toml
@@ -1,7 +1,6 @@
 [build-system]
 requires = [
     "hatchling>=1.5.0",
-    "jupyterlab>=4.0.0,<5",
     "hatch-nodejs-version>=0.3.2",
 ]
 build-backend = "hatchling.build"
