diff --git a/bower.json b/bower.json
index dae4846..59895ed 100644
--- a/bower.json
+++ b/bower.json
@@ -1,6 +1,6 @@
 {
   "name": "cesium-bower",
-  "version": "1.4.1",
+  "version": "1.18.1-beta",
   "description": "Cesium JS",
   "ignore": [
   ]