diff --git a/CMakeLists.txt b/CMakeLists.txt
index 102bfd8dd..bc562d001 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -2,7 +2,7 @@ cmake_minimum_required( VERSION 2.8.7 FATAL_ERROR )
 PROJECT(Stage)
 
 SET( V_MAJOR 4 )
-SET( V_MINOR 2 )
+SET( V_MINOR 3 )
 SET( V_BUGFIX 0 )
 
 SET( VERSION ${V_MAJOR}.${V_MINOR}.${V_BUGFIX} )
diff --git a/RELEASE.txt b/RELEASE.txt
index 64a7a8c6c..594dff90d 100644
--- a/RELEASE.txt
+++ b/RELEASE.txt
@@ -6,6 +6,14 @@ These are the Stage release notes.
 For introduction and license see README.txt
 For installation notes see INSTALL.txt
 
+Version 4.3.0
+-------------
+* gratefully merged Adrian Böckenkamp's (CodeFinder2) fork upstream into rtv/Stage.
+* fixed corrupted strings in GUI bug
+* fixed ranger visualizations bug (only showed up on some platform/driver combos)
+* build/install changes to play nicely with ROS (for the Lunar release of stage_ros)
+
+Richard Vaughan (rtv) vaughan@sfu.ca - 2017.4.27
 
 Version 4.2.1
 -------------