diff --git a/CMakeLists.txt b/CMakeLists.txt
index 0d86eb92e..daf1319f8 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -48,7 +48,7 @@ PROJECT(OpenSceneGraph)
 
 SET(OPENSCENEGRAPH_MAJOR_VERSION 3)
 SET(OPENSCENEGRAPH_MINOR_VERSION 1)
-SET(OPENSCENEGRAPH_PATCH_VERSION 8)
+SET(OPENSCENEGRAPH_PATCH_VERSION 9)
 SET(OPENSCENEGRAPH_SOVERSION 98)
 
 # set to 0 when not a release candidate, non zero means that any generated
diff --git a/include/osg/Version b/include/osg/Version
index 07e2bc28e..c5cd08c48 100644
--- a/include/osg/Version
+++ b/include/osg/Version
@@ -20,7 +20,7 @@ extern "C" {
 
 #define OPENSCENEGRAPH_MAJOR_VERSION    3
 #define OPENSCENEGRAPH_MINOR_VERSION    1
-#define OPENSCENEGRAPH_PATCH_VERSION    8
+#define OPENSCENEGRAPH_PATCH_VERSION    9
 #define OPENSCENEGRAPH_SOVERSION        98
 
 /* Convenience macro that can be used to decide whether a feature is present or not i.e.