diff --git a/Include/patchlevel.h b/Include/patchlevel.h
index 70fb530..301bfbe 100644
--- a/Include/patchlevel.h
+++ b/Include/patchlevel.h
@@ -24,10 +24,10 @@
 #define PY_MINOR_VERSION	7
 #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      	"2.7a3+"
+#define PY_VERSION      	"2.7a4"
 /*--end constants--*/
 
 /* Subversion Revision number of this file (not of the repository) */