diff --git a/vm b/vm
index ff45e70c..1c9939b5 160000
--- a/vm
+++ b/vm
@@ -1 +1 @@
-Subproject commit ff45e70cc31c42c3113535b23cfcf0e782f59f05
+Subproject commit 1c9939b56f8b684f36cb6e63239ac363234610a9