diff --git a/package.json b/package.json
index 1be8383..adc02a1 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "can-observation",
-  "version": "4.1.3",
+  "version": "4.2.0",
   "description": "Core observable indicators",
   "homepage": "http://canjs.com",
   "author": {