diff --git a/Include/patchlevel.h b/Include/patchlevel.h
index 4d6e834..396c47e 100644
--- a/Include/patchlevel.h
+++ b/Include/patchlevel.h
@@ -22,12 +22,12 @@
 /*--start constants--*/
 #define PY_MAJOR_VERSION	2
 #define PY_MINOR_VERSION	7
-#define PY_MICRO_VERSION	14
-#define PY_RELEASE_LEVEL	PY_RELEASE_LEVEL_FINAL
-#define PY_RELEASE_SERIAL	0
+#define PY_MICRO_VERSION	15
+#define PY_RELEASE_LEVEL	PY_RELEASE_LEVEL_GAMMA
+#define PY_RELEASE_SERIAL	1
 
 /* Version as a string */
-#define PY_VERSION      	"2.7.14+"
+#define PY_VERSION      	"2.7.15rc1"
 /*--end constants--*/
 
 /* Subversion Revision number of this file (not of the repository). Empty