diff --git a/Makefile b/Makefile
index 2789538b..cdeccc9f 100644
--- a/Makefile
+++ b/Makefile
@@ -32,7 +32,7 @@ update:
 	echo "remember that pymysql was tweaked"
 src:
 	### Use semantic versioning
-	echo 'Version 2.16.0-beta2+timestamp.'`date +%Y.%m.%d.%H.%M.%S` > VERSION
+	echo 'Version 2.15.1-stable+timestamp.'`date +%Y.%m.%d.%H.%M.%S` > VERSION
 	### rm -f all junk files
 	make clean
 	### clean up baisc apps
diff --git a/VERSION b/VERSION
index aa6d4d11..e09d99a5 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-Version 2.16.0-beta2+timestamp.2017.07.10.03.22.43
+Version 2.15.1-stable+timestamp.2017.07.10.16.17.24