diff --git a/package.json b/package.json
index 8e4edc0..7b4fe4d 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "vaadin-button",
-  "version": "1.0.4",
+  "version": "2.0.0-alpha1",
   "description": "vaadin-button",
   "main": "vaadin-button.html",
   "repository": "vaadin/vaadin-button",