diff --git a/monasca-persister b/monasca-persister
index 5e1823de06..e21e04436f 160000
--- a/monasca-persister
+++ b/monasca-persister
@@ -1 +1 @@
-Subproject commit 5e1823de06e7b385b26e79b8dfaa89d6181321ca
+Subproject commit e21e04436f0596f25ca3fb75a9fe15916687c955