diff --git a/viperserver b/viperserver
index 830c5fb98..83881c346 160000
--- a/viperserver
+++ b/viperserver
@@ -1 +1 @@
-Subproject commit 830c5fb986992b5bae718acec1fe2209fc9e7090
+Subproject commit 83881c346240e8eab6d43d9794d774aace8db062