diff --git a/Doc/changelog.docu b/Doc/changelog.docu
index 1d1e4814..e5e0c4f1 100644
--- a/Doc/changelog.docu
+++ b/Doc/changelog.docu
@@ -7,6 +7,11 @@
 
 <!-- --------------------------------------------------------------------- -->
 
+
+<tr valign=top><td><b>2.4</b> (?/?/?,Rev.779)</td><td>
+
+</tr>
+
 <tr valign=top><td><b>2.3.1</b> (2012/12/20,Rev.778)</td><td>
 
 <b>Core</b>
diff --git a/README b/README
index f982e730..04abeea2 100644
--- a/README
+++ b/README
@@ -1,4 +1,4 @@
-OpenMesh, 2.3.1
+OpenMesh, 2.4
 ~~~~~~~~~~~~~~~
 
 0. Licence
diff --git a/VERSION b/VERSION
index 21d4f165..416ac60d 100644
--- a/VERSION
+++ b/VERSION
@@ -1,6 +1,6 @@
-VERSION=2.3.1
+VERSION=2.4
 MAJOR=2
-MINOR=3
-PATCH=1
+MINOR=4
+PATCH=0
 ID=OPENMESH
 
diff --git a/src/OpenMesh/Core/System/config.h b/src/OpenMesh/Core/System/config.h
index 310eb28a..364dbf0f 100644
--- a/src/OpenMesh/Core/System/config.h
+++ b/src/OpenMesh/Core/System/config.h
@@ -57,7 +57,7 @@
 
 // ----------------------------------------------------------------------------
 
-#define OM_VERSION 0x20301
+#define OM_VERSION 0x20400
 
 // only defined, if it is a beta version
 //#define OM_VERSION_BETA 4