diff --git a/kdecore/kdeversion.h b/kdecore/kdeversion.h
index e8dd8ec10..e323a54d0 100644
--- a/kdecore/kdeversion.h
+++ b/kdecore/kdeversion.h
@@ -22,10 +22,10 @@
 
 #include "kdelibs_export.h"
 
-#define KDE_VERSION_STRING "3.5.12"
+#define KDE_VERSION_STRING "3.5.13 [DEVELOPMENT]"
 #define KDE_VERSION_MAJOR 3
 #define KDE_VERSION_MINOR 5
-#define KDE_VERSION_RELEASE 12
+#define KDE_VERSION_RELEASE 13
 #define KDE_MAKE_VERSION( a,b,c ) (((a) << 16) | ((b) << 8) | (c))
 
 #define KDE_VERSION \