diff --git a/configure.in b/configure.in
index b4abf1ba8d..61a675c8b4 100644
--- a/configure.in
+++ b/configure.in
@@ -4,7 +4,7 @@ dnl Copyright (c) 2004-2007, Roger Dingledine, Nick Mathewson
 dnl See LICENSE for licensing information
 
 AC_INIT
-AM_INIT_AUTOMAKE(tor, 0.2.0.7-alpha)
+AM_INIT_AUTOMAKE(tor, 0.2.0.7-alpha-dev)
 AM_CONFIG_HEADER(orconfig.h)
 
 AC_CANONICAL_HOST
diff --git a/contrib/tor-mingw.nsi.in b/contrib/tor-mingw.nsi.in
index cabacc1c57..dd89b22963 100644
--- a/contrib/tor-mingw.nsi.in
+++ b/contrib/tor-mingw.nsi.in
@@ -5,7 +5,7 @@
 ;
 !include "MUI.nsh"
 
-!define VERSION "0.2.0.7-alpha"
+!define VERSION "0.2.0.7-alpha-dev"
 !define INSTALLER "tor-${VERSION}-win32.exe"
 !define WEBSITE "http://tor.eff.org/"
 
diff --git a/src/win32/orconfig.h b/src/win32/orconfig.h
index 4fd86c7fad..4e25cb4ecf 100644
--- a/src/win32/orconfig.h
+++ b/src/win32/orconfig.h
@@ -227,6 +227,6 @@
 #define USING_TWOS_COMPLEMENT
 
 /* Version number of package */
-#define VERSION "0.2.0.7-alpha"
+#define VERSION "0.2.0.7-alpha-dev"