diff --git a/CMakeLists.txt b/CMakeLists.txt
index df9c16da28d1d497318d2c0ba1e97c3e461c3d5c..afc510e8b385bb76edaf26e2b576572ef4eef571 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -6,7 +6,7 @@ project(mosquitto)
 
 cmake_minimum_required(VERSION 2.6)
 
-set (VERSION 1.3.2)
+set (VERSION 1.3.3)
 
 if (WIN32)
 	execute_process(COMMAND cmd /c echo %DATE% %TIME% OUTPUT_VARIABLE TIMESTAMP
diff --git a/config.mk b/config.mk
index 49a39955d6035b3bed6cb3be351c2e01401b453d..b5f3c2828718222178684c80dfe6113135a33810 100644
--- a/config.mk
+++ b/config.mk
@@ -83,7 +83,7 @@ WITH_DOCS:=yes
 
 # Also bump lib/mosquitto.h, lib/python/setup.py, CMakeLists.txt,
 # installer/mosquitto.nsi, installer/mosquitto-cygwin.nsi
-VERSION=1.3.2
+VERSION=1.3.3
 TIMESTAMP:=$(shell date "+%F %T%z")
 
 # Client library SO version. Bump if incompatible API/ABI changes are made.
diff --git a/installer/mosquitto-cygwin.nsi b/installer/mosquitto-cygwin.nsi
index e45cdbf7e6d55d2b9beed1603a9bdb65227e5ce2..56599e1171e262ba0a018724ffd416d8cc768afc 100644
--- a/installer/mosquitto-cygwin.nsi
+++ b/installer/mosquitto-cygwin.nsi
@@ -7,7 +7,7 @@
 !define env_hklm 'HKLM "SYSTEM\CurrentControlSet\Control\Session Manager\Environment"'
 
 Name "mosquitto"
-!define VERSION 1.3.2
+!define VERSION 1.3.3
 OutFile "mosquitto-${VERSION}-install-cygwin.exe"
 
 InstallDir "$PROGRAMFILES\mosquitto"
diff --git a/installer/mosquitto.nsi b/installer/mosquitto.nsi
index 9ffe54b43c0ba5232bfb830b71660d8a57805a23..7f35227c3ebe18b4b797c09aef21b5d21c6e7532 100644
--- a/installer/mosquitto.nsi
+++ b/installer/mosquitto.nsi
@@ -7,7 +7,7 @@
 !define env_hklm 'HKLM "SYSTEM\CurrentControlSet\Control\Session Manager\Environment"'
 
 Name "mosquitto"
-!define VERSION 1.3.2
+!define VERSION 1.3.3
 OutFile "mosquitto-${VERSION}-install-win32.exe"
 
 InstallDir "$PROGRAMFILES\mosquitto"
diff --git a/lib/mosquitto.h b/lib/mosquitto.h
index 7ebb81eb85f6eba0f5d529679e8c025d87037583..426a04b391efc36564c6d001e41c2d3b7a60a738 100644
--- a/lib/mosquitto.h
+++ b/lib/mosquitto.h
@@ -45,7 +45,7 @@ extern "C" {
 
 #define LIBMOSQUITTO_MAJOR 1
 #define LIBMOSQUITTO_MINOR 3
-#define LIBMOSQUITTO_REVISION 2
+#define LIBMOSQUITTO_REVISION 3
 /* LIBMOSQUITTO_VERSION_NUMBER looks like 1002001 for e.g. version 1.2.1. */
 #define LIBMOSQUITTO_VERSION_NUMBER (LIBMOSQUITTO_MAJOR*1000000+LIBMOSQUITTO_MINOR*1000+LIBMOSQUITTO_REVISION)