diff --git a/configure.ac b/configure.ac
index 668fd4f1faa1662b790818e0e245015b9117633e..c0264642696484e524bc2e6ec9b0f1a98596288b 100644
--- a/configure.ac
+++ b/configure.ac
@@ -4,7 +4,7 @@ dnl Copyright (c) 2007-2017, The Tor Project, Inc.
 dnl See LICENSE for licensing information
 
 AC_PREREQ([2.63])
-AC_INIT([tor],[0.3.2.2-alpha-dev])
+AC_INIT([tor],[0.3.3.0-alpha-dev])
 AC_CONFIG_SRCDIR([src/or/main.c])
 AC_CONFIG_MACRO_DIR([m4])
 
diff --git a/contrib/win32build/tor-mingw.nsi.in b/contrib/win32build/tor-mingw.nsi.in
index 02d4ef90723cda50f17bbd4396769c092e1294d7..f3c23ef335f69183fcc7ea54bdff0ee5b269d30e 100644
--- a/contrib/win32build/tor-mingw.nsi.in
+++ b/contrib/win32build/tor-mingw.nsi.in
@@ -8,7 +8,7 @@
 !include "LogicLib.nsh"
 !include "FileFunc.nsh"
 !insertmacro GetParameters
-!define VERSION "0.3.2.2-alpha-dev"
+!define VERSION "0.3.3.0-alpha-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 6c3000a714494646fbb7da9cfb5dd5bfe171a3c5..5e3c5d87fee5bd3d271930e38b5472fa11ae8588 100644
--- a/src/win32/orconfig.h
+++ b/src/win32/orconfig.h
@@ -218,7 +218,7 @@
 #define USING_TWOS_COMPLEMENT
 
 /* Version number of package */
-#define VERSION "0.3.2.2-alpha-dev"
+#define VERSION "0.3.3.0-alpha-dev"