diff --git a/app/package.json b/app/package.json
index 493174e037..60b761202b 100644
--- a/app/package.json
+++ b/app/package.json
@@ -23,6 +23,8 @@
     "@jupyter-notebook/tree": "~7.2.2",
     "@jupyter-notebook/tree-extension": "~7.2.2",
     "@jupyter-notebook/ui-components": "~7.2.2",
+    "@jupyter/react-components": "^0.16.3",
+    "@jupyter/web-components": "^0.16.3",
     "@jupyter/ydoc": "~2.0.1",
     "@jupyterlab/application": "~4.2.5",
     "@jupyterlab/application-extension": "~4.2.5",
@@ -367,6 +369,8 @@
       "@codemirror/state",
       "@codemirror/view",
       "@jupyter-notebook/tree",
+      "@jupyter/react-components",
+      "@jupyter/web-components",
       "@jupyter/ydoc",
       "@jupyterlab/application",
       "@jupyterlab/apputils",