diff --git a/third_party/MegRay b/third_party/MegRay
index bfb4ff112cfe3bad4f99a56cd5e9a196d64cc544..aca4005cd5f6432a0811a4b182f5119c56faf592 160000
--- a/third_party/MegRay
+++ b/third_party/MegRay
@@ -1 +1 @@
-Subproject commit bfb4ff112cfe3bad4f99a56cd5e9a196d64cc544
+Subproject commit aca4005cd5f6432a0811a4b182f5119c56faf592