diff --git a/package.json b/package.json
index e4c8b4d9d..7cdbf0fb3 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "fab-manager",
-  "version": "3.1.2",
+  "version": "4.0.0-alpha",
   "description": "FabManager is the FabLab management solution. It is web-based, open-source and totally free.",
   "keywords": [
     "fablab",