diff --git a/Include/patchlevel.h b/Include/patchlevel.h
index b4c1bf6..528f273 100644
--- a/Include/patchlevel.h
+++ b/Include/patchlevel.h
@@ -20,10 +20,10 @@
 #define PY_MINOR_VERSION	3
 #define PY_MICRO_VERSION	0
 #define PY_RELEASE_LEVEL	PY_RELEASE_LEVEL_ALPHA
-#define PY_RELEASE_SERIAL	3
+#define PY_RELEASE_SERIAL	4
 
 /* Version as a string */
-#define PY_VERSION      	"3.3.0a3+"
+#define PY_VERSION      	"3.3.0a4"
 /*--end constants--*/
 
 /* Version as a single 4-byte hex number, e.g. 0x010502B2 == 1.5.2b2.
diff --git a/Lib/distutils/__init__.py b/Lib/distutils/__init__.py
index d39d82e..0da0d84 100644
--- a/Lib/distutils/__init__.py
+++ b/Lib/distutils/__init__.py
@@ -13,5 +13,5 @@
 # Updated automatically by the Python release process.
 #
 #--start constants--
-__version__ = "3.3.0a3"
+__version__ = "3.3.0a4"
 #--end constants--
diff --git a/Lib/idlelib/idlever.py b/Lib/idlelib/idlever.py
index 726b1dc..44811af 100644
--- a/Lib/idlelib/idlever.py
+++ b/Lib/idlelib/idlever.py
@@ -1 +1 @@
-IDLE_VERSION = "3.3.0a3"
+IDLE_VERSION = "3.3.0a4"
diff --git a/Misc/NEWS b/Misc/NEWS
index ada9ace..48f1177 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -5,7 +5,7 @@
 What's New in Python 3.3.0 Alpha 4?
 ===================================
 
-*Release date: XX-XXX-2012*
+*Release date: 31-May-2012*
 
 Core and Builtins
 -----------------
diff --git a/Misc/RPM/python-3.3.spec b/Misc/RPM/python-3.3.spec
index 1f6afc8..eff821e 100644
--- a/Misc/RPM/python-3.3.spec
+++ b/Misc/RPM/python-3.3.spec
@@ -39,7 +39,7 @@
 
 %define name python
 #--start constants--
-%define version 3.3.0a3
+%define version 3.3.0a4
 %define libvers 3.3
 #--end constants--
 %define release 1pydotorg
diff --git a/README b/README
index 4a30bde..404d983 100644
--- a/README
+++ b/README
@@ -1,4 +1,4 @@
-This is Python version 3.3.0 alpha 3
+This is Python version 3.3.0 alpha 4
 ====================================
 
 Copyright (c) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011,