diff --git a/csrc/vrs b/csrc/vrs
index f3485ec..ff78a93 160000
--- a/csrc/vrs
+++ b/csrc/vrs
@@ -1 +1 @@
-Subproject commit f3485ec544422f5e21d429babc7a873257bdac92
+Subproject commit ff78a93db2cac7bfa4315835a54fcd7e2aaaff31