diff --git a/configure.in b/configure.in
index 3249b4bb555b77ef6e01d61f1522d2dcc2565ddf..556bb661a17afb9e214d4df658a42950a1723174 100644
--- a/configure.in
+++ b/configure.in
@@ -4,7 +4,7 @@ dnl Copyright (c) 2007-2012, The Tor Project, Inc.
 dnl See LICENSE for licensing information
 
 AC_INIT
-AM_INIT_AUTOMAKE(tor, 0.2.3.17-beta)
+AM_INIT_AUTOMAKE(tor, 0.2.3.17-beta-dev)
 AM_CONFIG_HEADER(orconfig.h)
 
 AC_CANONICAL_HOST
diff --git a/contrib/tor-mingw.nsi.in b/contrib/tor-mingw.nsi.in
index e64d5e68f85331f47c5d863153972f3ddbcf6542..6643925cef51b36cef0ea9396f52d00b664b62ff 100644
--- a/contrib/tor-mingw.nsi.in
+++ b/contrib/tor-mingw.nsi.in
@@ -8,7 +8,7 @@
 !include "LogicLib.nsh"
 !include "FileFunc.nsh"
 !insertmacro GetParameters
-!define VERSION "0.2.3.17-beta"
+!define VERSION "0.2.3.17-beta-dev"
 !define INSTALLER "tor-${VERSION}-win32.exe"
 !define WEBSITE "https://www.torproject.org/"
 !define LICENSE "LICENSE"
diff --git a/src/win32/orconfig.h b/src/win32/orconfig.h
index 4caa012172a6397cec2cdf569a5f7aae66e394ff..3449277d426d9321e2dc6ae64a98d9c42f99f858 100644
--- a/src/win32/orconfig.h
+++ b/src/win32/orconfig.h
@@ -232,7 +232,7 @@
 #define USING_TWOS_COMPLEMENT
 
 /* Version number of package */
-#define VERSION "0.2.3.17-beta"
+#define VERSION "0.2.3.17-beta-dev"