Bump to 3.7.0a3
diff --git a/Include/patchlevel.h b/Include/patchlevel.h
index 64c518e..103fac5 100644
--- a/Include/patchlevel.h
+++ b/Include/patchlevel.h
@@ -20,10 +20,10 @@
#define PY_MINOR_VERSION 7
#define PY_MICRO_VERSION 0
#define PY_RELEASE_LEVEL PY_RELEASE_LEVEL_ALPHA
-#define PY_RELEASE_SERIAL 2
+#define PY_RELEASE_SERIAL 3
/* Version as a string */
-#define PY_VERSION "3.7.0a2+"
+#define PY_VERSION "3.7.0a3"
/*--end constants--*/
/* Version as a single 4-byte hex number, e.g. 0x010502B2 == 1.5.2b2.
diff --git a/README.rst b/README.rst
index a660fcb..4a63965 100644
--- a/README.rst
+++ b/README.rst
@@ -1,4 +1,4 @@
-This is Python version 3.7.0 alpha 2
+This is Python version 3.7.0 alpha 3
====================================
.. image:: https://travis-ci.org/python/cpython.svg?branch=master