diff --git a/package.json b/package.json
index 23ef246..251403b 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@vaadin/vaadin-upload",
-  "version": "4.4.1",
+  "version": "5.0.0-alpha1",
   "description": "Web Component for uploading files with drag and drop support",
   "main": "vaadin-upload.js",
   "module": "vaadin-upload.js",
diff --git a/src/vaadin-upload.js b/src/vaadin-upload.js
index 2020130..34b3d2b 100644
--- a/src/vaadin-upload.js
+++ b/src/vaadin-upload.js
@@ -105,7 +105,7 @@ class UploadElement extends ElementMixin(ThemableMixin(PolymerElement)) {
   }
 
   static get version() {
-    return '4.4.1';
+    return '5.0.0-alpha1';
   }
 
   static get properties() {