diff --git a/CMakeLists.txt b/CMakeLists.txt
index f5557b7..52a215f 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,7 +1,7 @@
 cmake_minimum_required(VERSION 3.14)
 
 project(absscpi
-  VERSION 0.3.0
+  VERSION 0.4.0
   DESCRIPTION "ABS SCPI driver library"
   HOMEPAGE_URL "https://github.com/BloomyControls/abs-scpi-driver"
 )