diff --git a/CMakeLists.txt b/CMakeLists.txt
index 3809fef89..51e68ab1d 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -25,8 +25,8 @@ PROJECT(OpenSceneGraph)
 
 SET(OPENSCENEGRAPH_MAJOR_VERSION 2)
 SET(OPENSCENEGRAPH_MINOR_VERSION 5)
-SET(OPENSCENEGRAPH_PATCH_VERSION 2)
-SET(OPENSCENEGRAPH_SOVERSION 38)
+SET(OPENSCENEGRAPH_PATCH_VERSION 3)
+SET(OPENSCENEGRAPH_SOVERSION 39)
 
 SET(OPENSCENEGRAPH_VERSION ${OPENSCENEGRAPH_MAJOR_VERSION}.${OPENSCENEGRAPH_MINOR_VERSION}.${OPENSCENEGRAPH_PATCH_VERSION})
 
diff --git a/include/OpenThreads/Version b/include/OpenThreads/Version
index 8e960b323..63bae974e 100644
--- a/include/OpenThreads/Version
+++ b/include/OpenThreads/Version
@@ -19,9 +19,9 @@
 extern "C" {
 
 #define OPENTHREADS_MAJOR_VERSION 2
-#define OPENTHREADS_MINOR_VERSION 2
-#define OPENTHREADS_PATCH_VERSION 1
-#define OPENTHREADS_SOVERSION 10
+#define OPENTHREADS_MINOR_VERSION 3
+#define OPENTHREADS_PATCH_VERSION 0
+#define OPENTHREADS_SOVERSION 11
 
 /** OpenThreadsGetVersion() returns the library version number.
  * Numbering convention : OpenThreads-1.0 will return 1.0 from OpenThreadsGetVersion. */
diff --git a/include/osg/Version b/include/osg/Version
index af0f82867..c90ec105e 100644
--- a/include/osg/Version
+++ b/include/osg/Version
@@ -21,8 +21,8 @@ extern "C" {
 
 #define OPENSCENEGRAPH_MAJOR_VERSION    2
 #define OPENSCENEGRAPH_MINOR_VERSION    5
-#define OPENSCENEGRAPH_PATCH_VERSION    2
-#define OPENSCENEGRAPH_SOVERSION        38
+#define OPENSCENEGRAPH_PATCH_VERSION    3
+#define OPENSCENEGRAPH_SOVERSION        39
 
 /**
   * osgGetVersion() returns the library version number.
diff --git a/packaging/pkgconfig/openscenegraph.pc b/packaging/pkgconfig/openscenegraph.pc
index 65504e444..049d2b102 100644
--- a/packaging/pkgconfig/openscenegraph.pc
+++ b/packaging/pkgconfig/openscenegraph.pc
@@ -7,7 +7,7 @@ includedir=${prefix}/include
 
 Name: openscenegraph
 Description: 3D scenegraph
-Version: 2.5.2
+Version: 2.5.3
 Requires: openthreads
 Conflicts:
 Libs: -L${libdir} -losg -losgDB -losgFX -losgGA -losgParticle -losgSim -losgText -losgUtil -losgTerrain -losgManipulator -losgViewer
diff --git a/packaging/pkgconfig/openthreads.pc b/packaging/pkgconfig/openthreads.pc
index 77733af21..cdf0309b5 100644
--- a/packaging/pkgconfig/openthreads.pc
+++ b/packaging/pkgconfig/openthreads.pc
@@ -7,7 +7,7 @@ includedir=${prefix}/include
 
 Name: openthreads
 Description: Object-Oriented (OO) thread interface for C++ programmers
-Version: 2.2.1
+Version: 2.3.0
 Requires:
 Conflicts:
 Libs: -L${libdir} -lOpenThreads
diff --git a/src/OpenThreads/CMakeLists.txt b/src/OpenThreads/CMakeLists.txt
index f186acee9..b59db52b1 100644
--- a/src/OpenThreads/CMakeLists.txt
+++ b/src/OpenThreads/CMakeLists.txt
@@ -3,9 +3,9 @@
 ADD_DEFINITIONS(-DOPENTHREADS_EXPORTS)
 
 SET(OPENTHREADS_MAJOR_VERSION 2)
-SET(OPENTHREADS_MINOR_VERSION 2)
-SET(OPENTHREADS_PATCH_VERSION 1)
-SET(OPENTHREADS_SOVERSION 10)
+SET(OPENTHREADS_MINOR_VERSION 3)
+SET(OPENTHREADS_PATCH_VERSION 0)
+SET(OPENTHREADS_SOVERSION 11)
 
 SET(OPENTHREADS_VERSION ${OPENTHREADS_MAJOR_VERSION}.${OPENTHREADS_MINOR_VERSION}.${OPENTHREADS_PATCH_VERSION})