diff --git a/superset/assets/package.json b/superset/assets/package.json
index 9240059fc9be330eb3ae317e570b0e76ce7a0d2a..6c3247a73f9f09997ae258ce3b9bd693476b1234 100644
--- a/superset/assets/package.json
+++ b/superset/assets/package.json
@@ -1,6 +1,6 @@
 {
   "name": "superset",
-  "version": "0.26.3",
+  "version": "0.27.0rc1",
   "description": "Superset is a data exploration platform designed to be visual, intuitive, and interactive.",
   "license": "Apache-2.0",
   "directories": {