diff --git a/configure.in b/configure.in
index 8204e81d9b583ef39050aadfa69e7507829e2332..67e953f3eae361c4347b8143cb5624403eb17f80 100644
--- a/configure.in
+++ b/configure.in
@@ -1,4 +1,4 @@
-AC_INIT([Pigeonhole], [0.1.13], [dovecot@dovecot.org], [dovecot-2.0-pigeonhole])
+AC_INIT([Pigeonhole], [0.2.UNSTABLE], [dovecot@dovecot.org], [dovecot-2.0-pigeonhole])
 AC_CONFIG_SRCDIR([src])
 
 # Autoheader is not needed and does more harm than good for this package. However, it is