VOL-4032 heartbeat check

Change-Id: I6f33476626d2925a5bca407bb1886809fe6e881f
diff --git a/VERSION b/VERSION
index 31e3287..ee6211d 100644
--- a/VERSION
+++ b/VERSION
@@ -1,2 +1,2 @@
-0.15.2
+0.15.3