diff --git a/xrootd-ssi-protobuf-interface b/xrootd-ssi-protobuf-interface
index 88b0b2e4a6dfdf80034c9f5e1f065df9e55bd858..5b38221715a8b601f493e958b340fd1ba54d000a 160000
--- a/xrootd-ssi-protobuf-interface
+++ b/xrootd-ssi-protobuf-interface
@@ -1 +1 @@
-Subproject commit 88b0b2e4a6dfdf80034c9f5e1f065df9e55bd858
+Subproject commit 5b38221715a8b601f493e958b340fd1ba54d000a