diff --git a/bower.json b/bower.json
index 9572a26..1318a2a 100644
--- a/bower.json
+++ b/bower.json
@@ -1,6 +1,6 @@
 {
   "name": "iron-dropdown",
-  "version": "1.3.1",
+  "version": "1.4.0",
   "description": "An unstyled element that works similarly to a native browser select",
   "authors": [
     "The Polymer Authors"