diff --git a/arduino/library-arduino.json b/arduino/library-arduino.json
index 6245a7c8..826394e8 100644
--- a/arduino/library-arduino.json
+++ b/arduino/library-arduino.json
@@ -1,6 +1,6 @@
 {
   "name": "Embedded Template Library - Arduino",
-  "version": "20.32.1",
+  "version": "20.33.0",
   "authors": {
     "name": "John Wellbelove",
     "email": "john.wellbelove@etlcpp.com"
diff --git a/arduino/library-arduino.properties b/arduino/library-arduino.properties
index c8330123..917d9387 100644
--- a/arduino/library-arduino.properties
+++ b/arduino/library-arduino.properties
@@ -1,5 +1,5 @@
 name=Embedded Template Library - Arduino
-version=20.32.1
+version=20.33.0
 author= John Wellbelove <john.wellbelove@etlcpp.com>
 maintainer=John Wellbelove <john.wellbelove@etlcpp.com>
 license=MIT
diff --git a/include/etl/version.h b/include/etl/version.h
index 16c15f59..82c9f720 100644
--- a/include/etl/version.h
+++ b/include/etl/version.h
@@ -39,8 +39,8 @@ SOFTWARE.
 ///\ingroup utilities
 
 #define ETL_VERSION_MAJOR 20
-#define ETL_VERSION_MINOR 32
-#define ETL_VERSION_PATCH 1
+#define ETL_VERSION_MINOR 33
+#define ETL_VERSION_PATCH 0
 
 #define ETL_VERSION       ETL_STRING(ETL_VERSION_MAJOR) "." ETL_STRING(ETL_VERSION_MINOR) "." ETL_STRING(ETL_VERSION_PATCH)
 #define ETL_VERSION_W     ETL_WIDE_STRING(ETL_VERSION_MAJOR) L"." ETL_WIDE_STRING(ETL_VERSION_MINOR) L"." ETL_WIDE_STRING(ETL_VERSION_PATCH)
diff --git a/library.json b/library.json
index bb01d038..b618f475 100644
--- a/library.json
+++ b/library.json
@@ -1,6 +1,6 @@
 {
   "name": "Embedded Template Library",
-  "version": "20.32.1",
+  "version": "20.33.0",
   "authors": {
     "name": "John Wellbelove",
     "email": "john.wellbelove@etlcpp.com"
diff --git a/library.properties b/library.properties
index a2e2923a..a7d45a51 100644
--- a/library.properties
+++ b/library.properties
@@ -1,5 +1,5 @@
 name=Embedded Template Library
-version=20.32.1
+version=20.33.0
 author= John Wellbelove <john.wellbelove@etlcpp.com>
 maintainer=John Wellbelove <john.wellbelove@etlcpp.com>
 license=MIT
diff --git a/support/Release notes.txt b/support/Release notes.txt
index f250de3e..49b9aa80 100644
--- a/support/Release notes.txt	
+++ b/support/Release notes.txt	
@@ -1,3 +1,9 @@
+===============================================================================
+20.33.0
+Added etl::message_broker to message framework
+Added etl::binary_search to algorithm.h
+Standardise conditional compilation macros for ETL_USING_CPP11 and ETL_USING_STL
+
 ===============================================================================
 20.32.1
 Added size only constructor, set_buffer() and is_valid() members to circular_buffer_ext
diff --git a/version.txt b/version.txt
index 505c4320..0372ae72 100644
--- a/version.txt
+++ b/version.txt
@@ -1 +1 @@
-20.32.1
+20.33.0