diff --git a/CMakeLists.txt b/CMakeLists.txt
index dae2eb368f09867be5b2c91fc5c5d4a9191d933a..c3b3b72aa92e10697ecf8ed12b730ebe9d533f12 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 "2.6-20")
+set(CELLFRAME_SDK_NATIVE_VERSION "2.6-21")
 add_definitions ("-DCELLFRAME_SDK_VERSION=\"${CELLFRAME_SDK_NATIVE_VERSION}\"")
 
 set(DAPSDK_MODULES "")