diff --git a/simplexmq.cabal b/simplexmq.cabal
index 67b323c09..ab2657c29 100644
--- a/simplexmq.cabal
+++ b/simplexmq.cabal
@@ -1,7 +1,7 @@
 cabal-version: 1.12
 
 name:           simplexmq
-version:        6.3.2.0
+version:        6.4.0.0
 synopsis:       SimpleXMQ message broker
 description:    This package includes <./docs/Simplex-Messaging-Server.html server>,
                 <./docs/Simplex-Messaging-Client.html client> and