diff --git a/viperserver b/viperserver
index 182a24361..711507c13 160000
--- a/viperserver
+++ b/viperserver
@@ -1 +1 @@
-Subproject commit 182a2436152dd8eff07c512671b69707f009b0ad
+Subproject commit 711507c13d169342382ccdf356dc37ea8bfc5ed7