diff --git a/CMakeLists.txt b/CMakeLists.txt
index e7206f00d..124acc6f1 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -16,8 +16,8 @@ PROJECT(OpenSceneGraph)
 
 SET(OPENSCENEGRAPH_MAJOR_VERSION 2)
 SET(OPENSCENEGRAPH_MINOR_VERSION 3)
-SET(OPENSCENEGRAPH_PATCH_VERSION 3)
-SET(OPENSCENEGRAPH_SOVERSION 29)
+SET(OPENSCENEGRAPH_PATCH_VERSION 4)
+SET(OPENSCENEGRAPH_SOVERSION 30)
 
 SET(OPENSCENEGRAPH_VERSION ${OPENSCENEGRAPH_MAJOR_VERSION}.${OPENSCENEGRAPH_MINOR_VERSION}.${OPENSCENEGRAPH_PATCH_VERSION})
 
diff --git a/README.txt b/README.txt
index 00f8f5e4a..6ffec48ff 100644
--- a/README.txt
+++ b/README.txt
@@ -10,7 +10,7 @@ For the impatient, read the simplified build notes below.
 
 Robert Osfield.
 Project Lead.
-22nd January 2008.
+29th January 2008.
 
 --
 
diff --git a/include/osg/Version b/include/osg/Version
index 5ec7dc860..717a4575d 100644
--- a/include/osg/Version
+++ b/include/osg/Version
@@ -21,8 +21,8 @@ extern "C" {
 
 #define OPENSCENEGRAPH_MAJOR_VERSION 2
 #define OPENSCENEGRAPH_MINOR_VERSION 3
-#define OPENSCENEGRAPH_PATCH_VERSION 3
-#define OPENSCENEGRAPH_SOVERSION 29
+#define OPENSCENEGRAPH_PATCH_VERSION 4
+#define OPENSCENEGRAPH_SOVERSION 30
 
 /**
   * osgGetVersion() returns the library version number.