diff --git a/bitcoin-qt.pro b/bitcoin-qt.pro
index bb27170cb..05de05184 100644
--- a/bitcoin-qt.pro
+++ b/bitcoin-qt.pro
@@ -1,7 +1,7 @@
 TEMPLATE = app
 TARGET = bitcoin-qt
 macx:TARGET = "Bitcoin-Qt"
-VERSION = 0.8.2
+VERSION = 0.8.3
 INCLUDEPATH += src src/json src/qt
 QT += network
 DEFINES += QT_GUI BOOST_THREAD_USE_LIB BOOST_SPIRIT_THREADSAFE
diff --git a/contrib/verifysfbinaries/verify.sh b/contrib/verifysfbinaries/verify.sh
index 768be86bd..d449211ce 100755
--- a/contrib/verifysfbinaries/verify.sh
+++ b/contrib/verifysfbinaries/verify.sh
@@ -18,7 +18,7 @@ WORKINGDIR="/tmp/bitcoin"
 TMPFILE="hashes.tmp"
 
 #this URL is used if a version number is not specified as an argument to the script
-SIGNATUREFILE="http://downloads.sourceforge.net/project/bitcoin/Bitcoin/bitcoin-0.8.2/SHA256SUMS.asc"
+SIGNATUREFILE="http://downloads.sourceforge.net/project/bitcoin/Bitcoin/bitcoin-0.8.3/SHA256SUMS.asc"
 
 SIGNATUREFILENAME="SHA256SUMS.asc"
 RCSUBDIR="test/"
diff --git a/doc/README.md b/doc/README.md
index cdd31057a..db5970f2d 100644
--- a/doc/README.md
+++ b/doc/README.md
@@ -1,4 +1,4 @@
-Bitcoin 0.8.2 BETA
+Bitcoin 0.8.3 BETA
 ====================
 
 Copyright (c) 2009-2013 Bitcoin Developers
@@ -43,4 +43,4 @@ Other Pages
 - [Release Notes](release-notes.md)
 - [Multiwallet Qt Development](multiwallet-qt.md)
 - [Unit Tests](unit-tests.md)
-- [Translation Process](translation_process.md)
\ No newline at end of file
+- [Translation Process](translation_process.md)
diff --git a/doc/README_windows.txt b/doc/README_windows.txt
index b26fab3be..c968b3899 100644
--- a/doc/README_windows.txt
+++ b/doc/README_windows.txt
@@ -1,4 +1,4 @@
-Bitcoin 0.8.2 BETA
+Bitcoin 0.8.3 BETA
 
 Copyright (c) 2009-2013 Bitcoin Developers
 Distributed under the MIT/X11 software license, see the accompanying
diff --git a/doc/release-notes.md b/doc/release-notes.md
index 0e0b04bca..b458c7c22 100644
--- a/doc/release-notes.md
+++ b/doc/release-notes.md
@@ -1,6 +1,17 @@
 (note: this is a temporary file, to be added-to by anybody, and deleted at
 release time)
 
+0.8.3 changes
+=============
+
+Fix a memory exhaustion attack that could crash low-memory nodes.
+
+Fix a regression that caused excessive writing of the peers.dat file.
+
+
+0.8.2 changes
+=============
+
 Fee Policy changes
 ------------------
 
diff --git a/share/setup.nsi b/share/setup.nsi
index d5f2ffc3f..b0afd79dc 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 0.8.2
+!define VERSION 0.8.3
 !define COMPANY "Bitcoin project"
 !define URL http://www.bitcoin.org/
 
@@ -45,13 +45,13 @@ Var StartMenuGroup
 !insertmacro MUI_LANGUAGE English
 
 # Installer attributes
-OutFile bitcoin-0.8.2-win32-setup.exe
+OutFile bitcoin-0.8.3-win32-setup.exe
 InstallDir $PROGRAMFILES\Bitcoin
 CRCCheck on
 XPStyle on
 BrandingText " "
 ShowInstDetails show
-VIProductVersion 0.8.2.2
+VIProductVersion 0.8.3.0
 VIAddVersionKey ProductName Bitcoin
 VIAddVersionKey ProductVersion "${VERSION}"
 VIAddVersionKey CompanyName "${COMPANY}"
diff --git a/src/clientversion.h b/src/clientversion.h
index e4fd6a69f..9be31b335 100644
--- a/src/clientversion.h
+++ b/src/clientversion.h
@@ -8,8 +8,8 @@
 // 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       8
-#define CLIENT_VERSION_REVISION    2
-#define CLIENT_VERSION_BUILD       2
+#define CLIENT_VERSION_REVISION    3
+#define CLIENT_VERSION_BUILD       0
 
 // Set to true for release, false for prerelease or test build
 #define CLIENT_VERSION_IS_RELEASE  true