diff --git a/NEWS b/NEWS
index 02bcd9c8..171a21bf 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,5 @@
+ncmpcpp-0.6.4 (????-??-??)
+
 ncmpcpp-0.6.3 (2015-03-02)
 
 * Fix floating point exception when adding a specific number of random items.
diff --git a/configure.ac b/configure.ac
index 2fb38838..e2c1b34b 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,7 +1,7 @@
 AC_INIT(configure.ac)
 
 AC_CONFIG_HEADERS(config.h)
-AM_INIT_AUTOMAKE(ncmpcpp, 0.6.3)
+AM_INIT_AUTOMAKE(ncmpcpp, 0.6.4_pre)
 
 AC_PREREQ(2.59)