diff --git a/windows/NTMakefile.version b/windows/NTMakefile.version
index 8ed244dc8..5c901d239 100644
--- a/windows/NTMakefile.version
+++ b/windows/NTMakefile.version
@@ -3,11 +3,11 @@
 VER_PACKAGE=heimdal
 VER_PACKAGE_NAME=Heimdal
 VER_PACKAGE_BUGREPORT=heimdal-bugs@h5l.org
-VER_PACKAGE_COPYRIGHT=Copyright (C) 1995-2011 Royal Institute of Technology, Stockholm, Sweden
+VER_PACKAGE_COPYRIGHT=Copyright (C) 1995-2013 Royal Institute of Technology, Stockholm, Sweden
 VER_PACKAGE_COMPANY=www.h5l.org
 
 VER_PRODUCT_MAJOR=1
-VER_PRODUCT_MINOR=5
+VER_PRODUCT_MINOR=6
 VER_PRODUCT_AUX=9900
 VER_PRODUCT_PATCH=0
 
@@ -19,12 +19,12 @@ VER_PRODUCT_PATCH=0
 # 1.5.99.65535.
 
 VER_OLD_BEGIN_MAJOR=1
-VER_OLD_BEGIN_MINOR=5
+VER_OLD_BEGIN_MINOR=6
 VER_OLD_BEGIN_AUX=0
 VER_OLD_BEGIN_PATCH=0
 
 VER_OLD_END_MAJOR=1
-VER_OLD_END_MINOR=5
+VER_OLD_END_MINOR=6
 VER_OLD_END_AUX=9949
 VER_OLD_END_PATCH=65535