diff --git a/caosdb-proto b/caosdb-proto
index 533c8e7341d0659e3cc43d834793a7a965703f55..c6405e538c179d2a8af952f85d9e9dc51fbadb92 160000
--- a/caosdb-proto
+++ b/caosdb-proto
@@ -1 +1 @@
-Subproject commit 533c8e7341d0659e3cc43d834793a7a965703f55
+Subproject commit c6405e538c179d2a8af952f85d9e9dc51fbadb92