diff --git a/CHANGELOG.md b/CHANGELOG.md
index c00bceb..0877c68 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,15 @@
 # Change Log
 
+## [0.4.0] - 2019-07-08
+### Added
+- Modbus RTU Exception Forwarding (#29).
+- Handle incorrect Modbus/TCP data length header field (#31).
+- tty reconnect with an exponential backoff.
+
+### Fixed
+- Modbus: read only a single frame at a time (#43).
+- Readable socket never gets read, conn_loop degrades into busy loop (#52).
+
 ## [0.3.0] - 2017-12-11
 ### Added
 - Support for reading configuration from file (-c).
@@ -51,6 +61,7 @@
 ## 0.1.1 - 2003-09-13
 ### Initial release
 
+[0.4.0]: https://github.com/3cky/mbusd/compare/v0.3.0...v0.4.0
 [0.3.0]: https://github.com/3cky/mbusd/compare/v0.2.3...v0.3.0
 [0.2.3]: https://github.com/3cky/mbusd/compare/v0.2.2...v0.2.3
 [0.2.2]: https://github.com/3cky/mbusd/compare/v0.2.1...v0.2.2
\ No newline at end of file
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 0838e17..4582e3a 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,6 +1,6 @@
 cmake_minimum_required(VERSION 3.2)
 
-project(mbusd VERSION 0.3.1)
+project(mbusd VERSION 0.4.0)
 
 list(APPEND CMAKE_MODULE_PATH ${CMAKE_CURRENT_SOURCE_DIR}/cmake/extern_GPL)
 include(CheckFunctionExists)
diff --git a/LICENSE b/LICENSE
index 9e82d30..a52758d 100644
--- a/LICENSE
+++ b/LICENSE
@@ -1,4 +1,4 @@
-Copyright (c) 2002-2003, 2013-2017 Victor Antonovich (v.antonovich@gmail.com)
+Copyright (c) 2002-2003, 2013-2019 Victor Antonovich (v.antonovich@gmail.com)
 Copyright (c) 2011 Andrew Denysenko <nitr0@seti.kr.ua>
 All rights reserved.
 
diff --git a/doc/mbusd.8.in b/doc/mbusd.8.in
index 4ab1b58..2da2b4f 100644
--- a/doc/mbusd.8.in
+++ b/doc/mbusd.8.in
@@ -1,4 +1,4 @@
-.TH "mbusd" 8 "11 Dec 2017" "mbusd @PROJECT_VERSION@"
+.TH "mbusd" 8 "8 Jul 2019" "mbusd @PROJECT_VERSION@"
 .SH NAME
 mbusd \- MODBUS/TCP to MODBUS/RTU gateway.
 .SH SYNOPSIS
diff --git a/src/main.c b/src/main.c
index 3d023dc..bb951fc 100644
--- a/src/main.c
+++ b/src/main.c
@@ -100,7 +100,7 @@ void
 usage(char *exename)
 {
   cfg_init();
-  printf("%s-%s Copyright (C) 2002-2003, 2011, 2013-2017 Victor Antonovich <v.antonovich@gmail.com>, "
+  printf("%s-%s Copyright (C) 2002-2003, 2011, 2013-2019 Victor Antonovich <v.antonovich@gmail.com>, "
    "Andrew Denysenko <nitr0@seti.kr.ua>\n\n"
    "Usage: %s [-h] [-d] "
 #ifdef LOG