diff --git a/bower.json b/bower.json
index 48a0f64..381a455 100644
--- a/bower.json
+++ b/bower.json
@@ -1,6 +1,6 @@
 {
   "name": "knockout-es5",
-  "version": "0.4.1",
+  "version": "0.4.2",
   "homepage": "https://github.com/SteveSanderson/knockout-es5",
   "authors": [
     "Steve Sanderson"