diff --git a/package.json b/package.json
index 3c1bbc5..d42bc71 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "can-simple-observable",
-  "version": "2.3.1",
+  "version": "2.4.0",
   "description": "Create an observable value.",
   "homepage": "https://canjs.com/doc/can-simple-observable.html",
   "repository": {