diff --git a/viperserver b/viperserver
index fc47c2615..913628dd5 160000
--- a/viperserver
+++ b/viperserver
@@ -1 +1 @@
-Subproject commit fc47c2615f32732ac0b1990ef12ed224f8252ec4
+Subproject commit 913628dd5d3de35e74a3e997b545e6feb0d3ff3f