diff --git a/CMakeLists.txt b/CMakeLists.txt
index 40a1721e5..e67a9eb3d 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -38,7 +38,7 @@ PROJECT(OpenSceneGraph)
 SET(OPENSCENEGRAPH_MAJOR_VERSION 3)
 SET(OPENSCENEGRAPH_MINOR_VERSION 1)
 SET(OPENSCENEGRAPH_PATCH_VERSION 5)
-SET(OPENSCENEGRAPH_SOVERSION 96)
+SET(OPENSCENEGRAPH_SOVERSION 97)
 
 # 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 daef16709..6e8a99e1f 100644
--- a/include/osg/Version
+++ b/include/osg/Version
@@ -21,7 +21,7 @@ extern "C" {
 #define OPENSCENEGRAPH_MAJOR_VERSION    3
 #define OPENSCENEGRAPH_MINOR_VERSION    1
 #define OPENSCENEGRAPH_PATCH_VERSION    5
-#define OPENSCENEGRAPH_SOVERSION        96
+#define OPENSCENEGRAPH_SOVERSION        97
 
 /* Convenience macro that can be used to decide whether a feature is present or not i.e.
  * #if OSG_MIN_VERSION_REQUIRED(2,9,5)