diff --git a/configure.ac b/configure.ac
index c7bda74c8b5015d35621623e622194878d5778e9..c4fbc3ff7ed7a095510ebfccf07fba7cb2abb3a1 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],[0.3.5.13])
+AC_INIT([tor],[0.3.5.13-dev])
 AC_CONFIG_SRCDIR([src/app/main/tor_main.c])
 AC_CONFIG_MACRO_DIR([m4])
 
diff --git a/contrib/win32build/tor-mingw.nsi.in b/contrib/win32build/tor-mingw.nsi.in
index 04a720a1716ed5961b336e9dd0422eef044c9f49..a4ddf8b46c9fa35822d16a70359063d668fee2cd 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 "0.3.5.13"
+!define VERSION "0.3.5.13-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 1c0ce18e737eabf34b507a9ad08d9220fd004ef1..991369b9f95ea046eec9040fb41858caffa78ce3 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 "0.3.5.13"
+#define VERSION "0.3.5.13-dev"