diff --git a/xrootd-ssi-protobuf-interface b/xrootd-ssi-protobuf-interface
index e95c47d2143875f0eb3c7e56b82ac3064c60651b..2533ef6cc61b8873a62516a507f727a975e0285c 160000
--- a/xrootd-ssi-protobuf-interface
+++ b/xrootd-ssi-protobuf-interface
@@ -1 +1 @@
-Subproject commit e95c47d2143875f0eb3c7e56b82ac3064c60651b
+Subproject commit 2533ef6cc61b8873a62516a507f727a975e0285c