diff --git a/rocket-chip b/rocket-chip
index 147bdcc4a26c74e5d7a47e3d667d456699d6d11f..9cf18f1173443e2542990c090a69bdd62d26228d 160000
--- a/rocket-chip
+++ b/rocket-chip
@@ -1 +1 @@
-Subproject commit 147bdcc4a26c74e5d7a47e3d667d456699d6d11f
+Subproject commit 9cf18f1173443e2542990c090a69bdd62d26228d