diff --git a/package.json b/package.json
index 5a526ef405..aa7f2790f1 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@zenko/cloudserver",
-    "version": "9.4.0",
+    "version": "9.4.0-preview.1",
     "description": "Zenko CloudServer, an open-source Node.js implementation of a server handling the Amazon S3 protocol",
     "main": "index.js",
     "engines": {