diff --git a/package.json b/package.json
index f5c73b574..6ce5d1d2b 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "bemuse",
-  "version": "39.0.0",
+  "version": "40.0.0",
   "description": "BEAT☆MUSIC☆SEQUENCE, a web-based music game of the future",
   "main": "index.js",
   "scripts": {