diff --git a/package.json b/package.json
index 3981639..b4e53e2 100644
--- a/package.json
+++ b/package.json
@@ -1,5 +1,6 @@
 {
     "name": "tljh_repo2docker_ui",
+    "private": "true",
     "version": "2.0.0-a0",
     "description": "tljh_repo2docker frontend package",
     "license": "BSD-3-Clause",