diff --git a/VERSION b/VERSION
index 84fbbc99..52a2e712 100644
--- a/VERSION
+++ b/VERSION
@@ -1,5 +1,5 @@
 VERSION_MAJOR = 3
-VERSION_MINOR = 3
+VERSION_MINOR = 4
 PATCHLEVEL = 00
 VERSION_TWEAK = 0
 EXTRAVERSION =
diff --git a/doc/chglog.txt b/doc/chglog.txt
index b965976b..44909875 100644
--- a/doc/chglog.txt
+++ b/doc/chglog.txt
@@ -3,6 +3,17 @@
 
 \tableofcontents
 
+\section rkhVer_3_4_00 Version 3.4.00
+\releasedate 2021-21-06
+
+\new
+- The RKH framework incorporates CMake as a tool for managing the building of the source code project. The RKH CMake project is intended for two purposes, to develop new services, features and examples of RKH, and to create reactive applications based on it.
+- Fixed doxygen warnings.
+- Added a tutorial to the reference manual that explains how to develop applications based on RKH using CMake.
+
+\bugfix
+- Fixed a critical error in rkh_trc_open() when using Linux platform.
+
 \section rkhVer_3_3_00 Version 3.3.00
 \releasedate 2021-19-02
 
@@ -64,7 +75,7 @@
 - Enhanced README file
 
 \warning
-- From this version, you must include the files rkhfwk_rdygrp.h and rkhfwk_rdygrp.c located in \<rkh\>/source/fwk/inc and \<rkh\>/source/fwk/src respectively, to maintain the backward-compatiblity with the existing application projects
+- From this version, you must include the files rkhfwk_rdygrp.h and rkhfwk_rdygrp.c located in rkh/source/fwk/inc and rkh/source/fwk/src respectively, to maintain the backward-compatiblity with the existing application projects
 
 \section rkhVer_3_1_00 Version 3.1.00
 \releasedate 2018-05-03
@@ -324,4 +335,4 @@
 - Fixed VC08 project settings
 
 
-*/
+*/
\ No newline at end of file
diff --git a/source/fwk/inc/rkhfwk_version.h b/source/fwk/inc/rkhfwk_version.h
index 58e17ce9..a1014594 100644
--- a/source/fwk/inc/rkhfwk_version.h
+++ b/source/fwk/inc/rkhfwk_version.h
@@ -76,9 +76,9 @@ extern "C" {
  *  \note
  *  For more additional information please read https://semver.org/.
  *
- *  \releasedate 03/20/2021
+ *  \releasedate 06/25/2021
  */
-#define RKH_VERSION_CODE            0x3300u
+#define RKH_VERSION_CODE            0x3400u
 
 /* ------------------------------- Data types ------------------------------ */
 /* -------------------------- External variables --------------------------- */