diff --git a/charm-interface-cinder-backend b/charm-interface-cinder-backend
index 8cbc9c994a..7b184e580d 160000
--- a/charm-interface-cinder-backend
+++ b/charm-interface-cinder-backend
@@ -1 +1 @@
-Subproject commit 8cbc9c994a69c95fecfb2e5c1fabbfc4f286ed49
+Subproject commit 7b184e580d365c251834f89a11a265a77f4bf618