diff --git a/ChangeLog b/ChangeLog
index 14b7c13..1c2f6ce 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,4 +1,4 @@
-2013-      1.6.3
+2013-09-02 1.6.3-rc0
 	Enhancements:
 	- Threads are allocated with a 32 KB stack rather than what
 	happens to be the default. Patch by Fabian Mauchle.
diff --git a/README b/README
index a6e5ff8..bf24bfa 100644
--- a/README
+++ b/README
@@ -1,4 +1,4 @@
-This is radsecproxy 1.6.2 from Oct 25 2012.
+This is unreleased radsecproxy 1.6.3-rc0.
 
 radsecproxy is a generic RADIUS proxy that supports both UDP and TLS
 (RadSec) RADIUS transports.  There is also experimental support for
diff --git a/configure.ac b/configure.ac
index f018e0b..149aa7f 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,4 +1,4 @@
-AC_INIT(radsecproxy, 1.6.2, radsecproxy@uninett.no)
+AC_INIT(radsecproxy, 1.6.3-rc0, radsecproxy@uninett.no)
 AC_CANONICAL_TARGET
 AM_INIT_AUTOMAKE
 AC_PROG_CC
diff --git a/radsecproxy.conf.5.xml b/radsecproxy.conf.5.xml
index 203d16c..503e61d 100644
--- a/radsecproxy.conf.5.xml
+++ b/radsecproxy.conf.5.xml
@@ -9,7 +9,7 @@
       <application>radsecproxy.conf</application>
     </refentrytitle>
     <manvolnum>5</manvolnum>
-    <refmiscinfo>radsecproxy 1.6.2</refmiscinfo>
+    <refmiscinfo>radsecproxy 1.6.3-rc0</refmiscinfo>
   </refmeta>
   <refnamediv>
     <refname>