diff --git a/Doc/tutorial/interpreter.rst b/Doc/tutorial/interpreter.rst
index c182511..38d2773 100644
--- a/Doc/tutorial/interpreter.rst
+++ b/Doc/tutorial/interpreter.rst
@@ -10,13 +10,13 @@
 Invoking the Interpreter
 ========================
 
-The Python interpreter is usually installed as :file:`/usr/local/bin/python3.4`
+The Python interpreter is usually installed as :file:`/usr/local/bin/python3.5`
 on those machines where it is available; putting :file:`/usr/local/bin` in your
 Unix shell's search path makes it possible to start it by typing the command:
 
 .. code-block:: text
 
-   python3.4
+   python3.5
 
 to the shell. [#]_ Since the choice of the directory where the interpreter lives
 is an installation option, other places are possible; check with your local
@@ -24,11 +24,11 @@
 popular alternative location.)
 
 On Windows machines, the Python installation is usually placed in
-:file:`C:\\Python34`, though you can change this when you're running the
+:file:`C:\\Python35`, though you can change this when you're running the
 installer.  To add this directory to your path,  you can type the following
 command into the command prompt in a DOS box::
 
-   set path=%path%;C:\python34
+   set path=%path%;C:\python35
 
 Typing an end-of-file character (:kbd:`Control-D` on Unix, :kbd:`Control-Z` on
 Windows) at the primary prompt causes the interpreter to exit with a zero exit
@@ -95,8 +95,8 @@
 prints a welcome message stating its version number and a copyright notice
 before printing the first prompt::
 
-   $ python3.4
-   Python 3.4 (default, Sep 24 2012, 09:25:04)
+   $ python3.5
+   Python 3.5 (default, Sep 24 2012, 09:25:04)
    [GCC 4.6.3] on linux2
    Type "help", "copyright", "credits" or "license" for more information.
    >>>
@@ -149,7 +149,7 @@
 On BSD'ish Unix systems, Python scripts can be made directly executable, like
 shell scripts, by putting the line ::
 
-   #! /usr/bin/env python3.4
+   #! /usr/bin/env python3.5
 
 (assuming that the interpreter is on the user's :envvar:`PATH`) at the beginning
 of the script and giving the file an executable mode.  The ``#!`` must be the
diff --git a/Doc/tutorial/stdlib.rst b/Doc/tutorial/stdlib.rst
index 2e3ed18..8db2c01 100644
--- a/Doc/tutorial/stdlib.rst
+++ b/Doc/tutorial/stdlib.rst
@@ -15,7 +15,7 @@
 
    >>> import os
    >>> os.getcwd()      # Return the current working directory
-   'C:\\Python34'
+   'C:\\Python35'
    >>> os.chdir('/server/accesslogs')   # Change current working directory
    >>> os.system('mkdir today')   # Run the command mkdir in the system shell
    0
diff --git a/Doc/tutorial/stdlib2.rst b/Doc/tutorial/stdlib2.rst
index c0197ea..497c584 100644
--- a/Doc/tutorial/stdlib2.rst
+++ b/Doc/tutorial/stdlib2.rst
@@ -277,7 +277,7 @@
    Traceback (most recent call last):
      File "<stdin>", line 1, in <module>
        d['primary']                # entry was automatically removed
-     File "C:/python34/lib/weakref.py", line 46, in __getitem__
+     File "C:/python35/lib/weakref.py", line 46, in __getitem__
        o = self.data[key]()
    KeyError: 'primary'
 
diff --git a/Include/patchlevel.h b/Include/patchlevel.h
index 72f540d..16124f5 100644
--- a/Include/patchlevel.h
+++ b/Include/patchlevel.h
@@ -17,13 +17,13 @@
 /* Version parsed out into numeric values */
 /*--start constants--*/
 #define PY_MAJOR_VERSION	3
-#define PY_MINOR_VERSION	4
+#define PY_MINOR_VERSION	5
 #define PY_MICRO_VERSION	0
-#define PY_RELEASE_LEVEL	PY_RELEASE_LEVEL_FINAL
+#define PY_RELEASE_LEVEL	PY_RELEASE_LEVEL_ALPHA
 #define PY_RELEASE_SERIAL	0
 
 /* Version as a string */
-#define PY_VERSION      	"3.4.0+"
+#define PY_VERSION      	"3.5.0a0"
 /*--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 4c716e2..328bea6 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__ = "3.4.0rc1"
+__version__ = "3.5.0a0"
 #--end constants--
diff --git a/Lib/idlelib/idlever.py b/Lib/idlelib/idlever.py
index 8646baa..d4178b8 100644
--- a/Lib/idlelib/idlever.py
+++ b/Lib/idlelib/idlever.py
@@ -1 +1 @@
-IDLE_VERSION = "3.4.0rc1"
+IDLE_VERSION = "3.5.0a0"
diff --git a/Misc/NEWS b/Misc/NEWS
index 3de803b..f5d0bc5 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -2,6 +2,17 @@
 Python News
 +++++++++++
 
+What's New in Python 3.5 alpha 1?
+=================================
+
+Release date: TBA
+
+Core and Builtins
+-----------------
+
+Library
+-------
+
 What's New in Python 3.4.1rc1?
 ==============================
 
diff --git a/Misc/RPM/python-3.5.spec b/Misc/RPM/python-3.5.spec
index a911a7e..e3518be 100644
--- a/Misc/RPM/python-3.5.spec
+++ b/Misc/RPM/python-3.5.spec
@@ -39,8 +39,8 @@
 
 %define name python
 #--start constants--
-%define version 3.4.0rc1
-%define libvers 3.4
+%define version 3.5.0a0
+%define libvers 3.5
 #--end constants--
 %define release 1pydotorg
 %define __prefix /usr
diff --git a/README b/README
index 790b947..1b6cd2c 100644
--- a/README
+++ b/README
@@ -1,5 +1,5 @@
-This is Python version 3.4.0 release candidate 1
-================================================
+This is Python version 3.5.0 alpha 1
+====================================
 
 Copyright (c) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011,
 2012, 2013, 2014 Python Software Foundation.  All rights reserved.
@@ -52,9 +52,9 @@
 ----------
 
 We try to have a comprehensive overview of the changes in the "What's New in
-Python 3.4" document, found at
+Python 3.5" document, found at
 
-    http://docs.python.org/3.4/whatsnew/3.4.html
+    http://docs.python.org/3.5/whatsnew/3.5.html
 
 For a more detailed change log, read Misc/NEWS (though this file, too, is
 incomplete, and also doesn't list anything merged in from the 2.7 release under
@@ -67,9 +67,9 @@
 Documentation
 -------------
 
-Documentation for Python 3.4 is online, updated daily:
+Documentation for Python 3.5 is online, updated daily:
 
-    http://docs.python.org/3.4/
+    http://docs.python.org/3.5/
 
 It can also be downloaded in many formats for faster access.  The documentation
 is downloadable in HTML, PDF, and reStructuredText formats; the latter version
@@ -94,7 +94,7 @@
 A source-to-source translation tool, "2to3", can take care of the mundane task
 of converting large amounts of source code.  It is not a complete solution but
 is complemented by the deprecation warnings in 2.6.  See
-http://docs.python.org/3.4/library/2to3.html for more information.
+http://docs.python.org/3.5/library/2to3.html for more information.
 
 
 Testing
@@ -132,7 +132,7 @@
 Install that version using "make install".  Install all other versions using
 "make altinstall".
 
-For example, if you want to install Python 2.6, 2.7 and 3.4 with 2.7 being the
+For example, if you want to install Python 2.6, 2.7 and 3.5 with 2.7 being the
 primary version, you would execute "make install" in your 2.7 build directory
 and "make altinstall" in the others.
 
diff --git a/configure b/configure
index 101dd44..d762b71 100755
--- a/configure
+++ b/configure
@@ -1,6 +1,6 @@
 #! /bin/sh
 # Guess values for system-dependent variables and create Makefiles.
-# Generated by GNU Autoconf 2.69 for python 3.4.
+# Generated by GNU Autoconf 2.69 for python 3.5.
 #
 # Report bugs to <http://bugs.python.org/>.
 #
@@ -580,8 +580,8 @@
 # Identity of this package.
 PACKAGE_NAME='python'
 PACKAGE_TARNAME='python'
-PACKAGE_VERSION='3.4'
-PACKAGE_STRING='python 3.4'
+PACKAGE_VERSION='3.5'
+PACKAGE_STRING='python 3.5'
 PACKAGE_BUGREPORT='http://bugs.python.org/'
 PACKAGE_URL=''
 
@@ -1368,7 +1368,7 @@
   # Omit some internal or obsolete options to make the list less imposing.
   # This message is too long to be a string in the A/UX 3.1 sh.
   cat <<_ACEOF
-\`configure' configures python 3.4 to adapt to many kinds of systems.
+\`configure' configures python 3.5 to adapt to many kinds of systems.
 
 Usage: $0 [OPTION]... [VAR=VALUE]...
 
@@ -1433,7 +1433,7 @@
 
 if test -n "$ac_init_help"; then
   case $ac_init_help in
-     short | recursive ) echo "Configuration of python 3.4:";;
+     short | recursive ) echo "Configuration of python 3.5:";;
    esac
   cat <<\_ACEOF
 
@@ -1580,7 +1580,7 @@
 test -n "$ac_init_help" && exit $ac_status
 if $ac_init_version; then
   cat <<\_ACEOF
-python configure 3.4
+python configure 3.5
 generated by GNU Autoconf 2.69
 
 Copyright (C) 2012 Free Software Foundation, Inc.
@@ -2419,7 +2419,7 @@
 This file contains any messages produced by compilers while
 running configure, to aid debugging if configure makes a mistake.
 
-It was created by python $as_me 3.4, which was
+It was created by python $as_me 3.5, which was
 generated by GNU Autoconf 2.69.  Invocation command line was
 
   $ $0 $@
@@ -2989,7 +2989,7 @@
 mv confdefs.h.new confdefs.h
 
 
-VERSION=3.4
+VERSION=3.5
 
 # Version number of Python's own shared library file.
 
@@ -15900,7 +15900,7 @@
 # report actual input values of CONFIG_FILES etc. instead of their
 # values after options handling.
 ac_log="
-This file was extended by python $as_me 3.4, which was
+This file was extended by python $as_me 3.5, which was
 generated by GNU Autoconf 2.69.  Invocation command line was
 
   CONFIG_FILES    = $CONFIG_FILES
@@ -15962,7 +15962,7 @@
 cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
 ac_cs_config="`$as_echo "$ac_configure_args" | sed 's/^ //; s/[\\""\`\$]/\\\\&/g'`"
 ac_cs_version="\\
-python config.status 3.4
+python config.status 3.5
 configured by $0, generated by GNU Autoconf 2.69,
   with options \\"\$ac_cs_config\\"
 
diff --git a/configure.ac b/configure.ac
index 25e1dc8..abade0f 100644
--- a/configure.ac
+++ b/configure.ac
@@ -3,7 +3,7 @@
 dnl ***********************************************
 
 # Set VERSION so we only need to edit in one place (i.e., here)
-m4_define(PYTHON_VERSION, 3.4)
+m4_define(PYTHON_VERSION, 3.5)
 
 AC_PREREQ(2.65)