diff --git a/charm-interface-keystone b/charm-interface-keystone
index a4684ff27a..501af18b30 160000
--- a/charm-interface-keystone
+++ b/charm-interface-keystone
@@ -1 +1 @@
-Subproject commit a4684ff27a48d5d94548aae38d2c1496707158c7
+Subproject commit 501af18b3036f5af92990bc39e750e76e393e5eb