diff --git a/configure.ac b/configure.ac
index 6a9bee1658..17ac739b74 100644
--- a/configure.ac
+++ b/configure.ac
@@ -4,7 +4,7 @@ dnl Copyright (c) 2007-2019, The Tor Project, Inc.
 dnl See LICENSE for licensing information
 
 AC_PREREQ([2.63])
-AC_INIT([tor],[0.4.7.2-alpha])
+AC_INIT([tor],[0.4.7.2-alpha-dev])
 AC_CONFIG_SRCDIR([src/app/main/tor_main.c])
 AC_CONFIG_MACRO_DIR([m4])