diff --git a/package.json b/package.json
index 47e4dd1..a404050 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "vaadin-radio-button",
-  "version": "1.0.1",
+  "version": "1.1.0-alpha1",
   "description": "vaadin-radio-button",
   "main": "vaadin-radio-button.html",
   "repository": "vaadin/vaadin-radio-button",
diff --git a/src/vaadin-radio-button.html b/src/vaadin-radio-button.html
index 428a7d7..b31cd74 100644
--- a/src/vaadin-radio-button.html
+++ b/src/vaadin-radio-button.html
@@ -109,7 +109,7 @@
         }
 
         static get version() {
-          return '1.0.1';
+          return '1.1.0-alpha1';
         }
 
         static get properties() {