diff --git a/CMakeLists.txt b/CMakeLists.txt
index ff729d56..50a52a8f 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -16,7 +16,7 @@ cmake_minimum_required(VERSION 3.2 FATAL_ERROR)
 project(amqpcpp)
 set (VERSION_MAJOR 4)
 set (VERSION_MINOR 0)
-set (VERSION_PATCH 0)
+set (VERSION_PATCH 1)
 set (SO_VERSION ${VERSION_MAJOR}.${VERSION_MINOR})
 
 # build options