diff --git a/postBuild b/postBuild
index 485b6b2..af0930a 100644
--- a/postBuild
+++ b/postBuild
@@ -1,2 +1,4 @@
 set -ex
 jupyter labextension install @jupyter-widgets/jupyterlab-manager jupyter-threejs
+mkdir -p $HOME/.jupyter/lab/user-settings/@jupyterlab/extensionmanager-extension
+echo '{"disclaimed": true}' >> $HOME/.jupyter/lab/user-settings/@jupyterlab/extensionmanager-extension/plugin.jupyterlab-settings