diff --git a/CMakeLists.txt b/CMakeLists.txt
index e28d6a7b2..79821e471 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -16,8 +16,8 @@ PROJECT(OpenSceneGraph)
 
 SET(OPENSCENEGRAPH_MAJOR_VERSION 2)
 SET(OPENSCENEGRAPH_MINOR_VERSION 1)
-SET(OPENSCENEGRAPH_PATCH_VERSION 8)
-SET(OPENSCENEGRAPH_SOVERSION 19)
+SET(OPENSCENEGRAPH_PATCH_VERSION 9)
+SET(OPENSCENEGRAPH_SOVERSION 20)
 
 SET(OPENSCENEGRAPH_VERSION ${OPENSCENEGRAPH_MAJOR_VERSION}.${OPENSCENEGRAPH_MINOR_VERSION}.${OPENSCENEGRAPH_PATCH_VERSION})
 
diff --git a/include/osg/Version b/include/osg/Version
index 26038b497..4840669f7 100644
--- a/include/osg/Version
+++ b/include/osg/Version
@@ -20,7 +20,7 @@ extern "C" {
 
 #define OSG_VERSION_MAJOR 2
 #define OSG_VERSION_MINOR 1
-#define OSG_VERSION_PATCH 8
+#define OSG_VERSION_PATCH 9
 
 #define OSG_VERSION_RELEASE OSG_VERSION_PATCH
 #define OSG_VERSION_REVISION 0