diff --git a/nnvm b/nnvm
index 2dc8c35ca45b..319a8dd343df 160000
--- a/nnvm
+++ b/nnvm
@@ -1 +1 @@
-Subproject commit 2dc8c35ca45b02e6538809d017cbca75062ea14c
+Subproject commit 319a8dd343df0716a0fd825201e77f7c9dd5504d