diff --git a/metadata.json b/metadata.json
index 27bd9d5..a930b54 100644
--- a/metadata.json
+++ b/metadata.json
@@ -1,6 +1,6 @@
 {
   "name": "markt-dovecot",
-  "version": "3.1.0",
+  "version": "4.0.0",
   "author": "markt.de",
   "summary": "Configure and manage a dovecot IMAP server",
   "license": "Apache-2.0",