diff --git a/.gitmodules b/.gitmodules
old mode 100644
new mode 100755
diff --git a/src/vitis b/src/vitis
index f84e1231045aca77c7245f5c32d10f93ee2040e9..d8ed31e15126efee92e0502541719849c6c512e1 160000
--- a/src/vitis
+++ b/src/vitis
@@ -1 +1 @@
-Subproject commit f84e1231045aca77c7245f5c32d10f93ee2040e9
+Subproject commit d8ed31e15126efee92e0502541719849c6c512e1