diff --git a/xrootd-ssi-protobuf-interface b/xrootd-ssi-protobuf-interface
index 8251f8652a956ec7df6e51e853aeeebf1d333ea0..29d7533449aef083848bde0f9a2c5214ed9bc448 160000
--- a/xrootd-ssi-protobuf-interface
+++ b/xrootd-ssi-protobuf-interface
@@ -1 +1 @@
-Subproject commit 8251f8652a956ec7df6e51e853aeeebf1d333ea0
+Subproject commit 29d7533449aef083848bde0f9a2c5214ed9bc448