diff --git a/CMakeLists.txt b/CMakeLists.txt
index 09dcaad3c..17a8fe235 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -32,7 +32,7 @@ PROJECT(OpenSceneGraph)
 SET(OPENSCENEGRAPH_MAJOR_VERSION 2)
 SET(OPENSCENEGRAPH_MINOR_VERSION 7)
 SET(OPENSCENEGRAPH_PATCH_VERSION 6)
-SET(OPENSCENEGRAPH_SOVERSION 50)
+SET(OPENSCENEGRAPH_SOVERSION 51)
 
 # set to 0 when not a release candidate, non zero means that any generated 
 # svn tags will be treated as release candidates of given number
diff --git a/include/osg/Version b/include/osg/Version
index 57c8d819f..1614620e6 100644
--- a/include/osg/Version
+++ b/include/osg/Version
@@ -22,7 +22,7 @@ extern "C" {
 #define OPENSCENEGRAPH_MAJOR_VERSION    2
 #define OPENSCENEGRAPH_MINOR_VERSION    7
 #define OPENSCENEGRAPH_PATCH_VERSION    6
-#define OPENSCENEGRAPH_SOVERSION        50
+#define OPENSCENEGRAPH_SOVERSION        51
 
 /**
   * osgGetVersion() returns the library version number.