diff --git a/Doc/changelog.docu b/Doc/changelog.docu
index 3adc5cfd..9b1a5c1c 100644
--- a/Doc/changelog.docu
+++ b/Doc/changelog.docu
@@ -7,6 +7,10 @@
 
 <!-- --------------------------------------------------------------------- -->
 
+<tr valign=top><td><b>3.1</b> (?/?/?,Rev.990)</td><td>
+
+</tr>
+
 <tr valign=top><td><b>3.0</b> (2014/02/05,Rev.990)</td><td>
 
 <b>Core</b>
diff --git a/README b/README
index 5f515a2c..a04c22f9 100644
--- a/README
+++ b/README
@@ -1,4 +1,4 @@
-OpenMesh, 3.0
+OpenMesh, 3.1
 ~~~~~~~~~~~~~~~
 
 0. Licence
diff --git a/VERSION b/VERSION
index 11cde39c..c490ddf6 100644
--- a/VERSION
+++ b/VERSION
@@ -1,6 +1,6 @@
-VERSION=3.0
+VERSION=3.1
 MAJOR=3
-MINOR=0
+MINOR=1
 PATCH=0
 ID=OPENMESH
 
diff --git a/release.howto b/release.howto
index 3c8118f9..21f3fbfa 100644
--- a/release.howto
+++ b/release.howto
@@ -2,7 +2,6 @@
 2. check files with release numbers:
    Doc/changelog.docu
    System/config.h
-   CHANGELOG
    README
    VERSION
 3. Tag the current version in the svn (checkout, remove .svn readd as tag)
diff --git a/src/OpenMesh/Core/System/config.h b/src/OpenMesh/Core/System/config.h
index b1a2ff49..5554bebe 100644
--- a/src/OpenMesh/Core/System/config.h
+++ b/src/OpenMesh/Core/System/config.h
@@ -57,7 +57,8 @@
 
 // ----------------------------------------------------------------------------
 
-#define OM_VERSION 0x20400
+#define OM_VERSION 0x30000
+//#define OM_VERSION 0x20400
 
 // only defined, if it is a beta version
 //#define OM_VERSION_BETA 4
@@ -68,11 +69,11 @@
 
 #ifdef WIN32
 #  ifdef min
-#    pragma message("Detected min macro! OpenMesh does not compiled with min/max macros active! Please add a define NOMINMAX to your compiler flags or add #undef min before including OpenMesh headers !")
+#    pragma message("Detected min macro! OpenMesh does not compile with min/max macros active! Please add a define NOMINMAX to your compiler flags or add #undef min before including OpenMesh headers !")
 #    error min macro active 
 #  endif
 #  ifdef max
-#    pragma message("Detected max macro! OpenMesh does not compiled with min/max macros active! Please add a define NOMINMAX to your compiler flags or add #undef max before including OpenMesh headers !")
+#    pragma message("Detected max macro! OpenMesh does not compile with min/max macros active! Please add a define NOMINMAX to your compiler flags or add #undef max before including OpenMesh headers !")
 #    error max macro active 
 #  endif
 #endif