diff --git a/CMakeLists.txt b/CMakeLists.txt
index 3783dcd82e072cc3d574dde8cd19fabe69c314c8..4b0b4cfebdd67ef29b3a37bd9db3356ba8643fb0 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -2,7 +2,7 @@ project(cellframe-sdk C)
 cmake_minimum_required(VERSION 2.8)
 
 set(CMAKE_C_STANDARD 11)
-set(CELLFRAME_SDK_NATIVE_VERSION "2.1-3")
+set(CELLFRAME_SDK_NATIVE_VERSION "2.1-4")
 include(cmake/OS_Detection.cmake)
 add_definitions ("-DCELLFRAME_SDK_VERSION=\"${CELLFRAME_SDK_NATIVE_VERSION}\"")