diff --git a/bitcoin-qt.pro b/bitcoin-qt.pro
index 1808fcc3d..f277afc5e 100644
--- a/bitcoin-qt.pro
+++ b/bitcoin-qt.pro
@@ -1,6 +1,6 @@
 TEMPLATE = app
 TARGET = bitcoin-qt
-VERSION = 0.7.1
+VERSION = 0.7.99
 INCLUDEPATH += src src/json src/qt
 DEFINES += QT_GUI BOOST_THREAD_USE_LIB BOOST_SPIRIT_THREADSAFE
 CONFIG += no_include_pwd
diff --git a/doc/README b/doc/README
index b20da7fb0..5dbf690a1 100644
--- a/doc/README
+++ b/doc/README
@@ -1,4 +1,4 @@
-Bitcoin 0.7.1 BETA
+Bitcoin 0.7.99 BETA
 
 Copyright (c) 2009-2012 Bitcoin Developers
 Distributed under the MIT/X11 software license, see the accompanying
diff --git a/doc/README_windows.txt b/doc/README_windows.txt
index 7ec86d713..970dca323 100644
--- a/doc/README_windows.txt
+++ b/doc/README_windows.txt
@@ -1,4 +1,4 @@
-Bitcoin 0.7.1 BETA
+Bitcoin 0.7.99 BETA
 
 Copyright (c) 2009-2012 Bitcoin Developers
 Distributed under the MIT/X11 software license, see the accompanying
diff --git a/share/setup.nsi b/share/setup.nsi
index fd7451ea7..ead20a5c4 100644
--- a/share/setup.nsi
+++ b/share/setup.nsi
@@ -5,7 +5,7 @@ SetCompressor /SOLID lzma
 
 # General Symbol Definitions
 !define REGKEY "SOFTWARE\$(^Name)"
-!define VERSION 0.7.1
+!define VERSION 0.7.99
 !define COMPANY "Bitcoin project"
 !define URL http://www.bitcoin.org/
 
@@ -45,13 +45,13 @@ Var StartMenuGroup
 !insertmacro MUI_LANGUAGE English
 
 # Installer attributes
-OutFile bitcoin-0.7.1-win32-setup.exe
+OutFile bitcoin-0.7.99-win32-setup.exe
 InstallDir $PROGRAMFILES\Bitcoin
 CRCCheck on
 XPStyle on
 BrandingText " "
 ShowInstDetails show
-VIProductVersion 0.7.1.0
+VIProductVersion 0.7.99.0
 VIAddVersionKey ProductName Bitcoin
 VIAddVersionKey ProductVersion "${VERSION}"
 VIAddVersionKey CompanyName "${COMPANY}"
diff --git a/src/clientversion.h b/src/clientversion.h
index 2f695e5cc..e79c306c0 100644
--- a/src/clientversion.h
+++ b/src/clientversion.h
@@ -8,7 +8,7 @@
 // These need to be macros, as version.cpp's and bitcoin-qt.rc's voodoo requires it
 #define CLIENT_VERSION_MAJOR       0
 #define CLIENT_VERSION_MINOR       7
-#define CLIENT_VERSION_REVISION    1
+#define CLIENT_VERSION_REVISION    99
 #define CLIENT_VERSION_BUILD       0
 
 // Converts the parameter X to a string after macro replacement on X has been performed.