diff --git a/rocket-chip b/rocket-chip
index 4c70e7487..84f6ac14d 160000
--- a/rocket-chip
+++ b/rocket-chip
@@ -1 +1 @@
-Subproject commit 4c70e7487e6dc7493f6e89a65335568092e0819b
+Subproject commit 84f6ac14de0e8160b8ff7f176bd34d4756a89add