diff --git a/rocket-chip b/rocket-chip
index 27998d7480..af900a0cd0 160000
--- a/rocket-chip
+++ b/rocket-chip
@@ -1 +1 @@
-Subproject commit 27998d74803a3ef7a3a3c73c461aa0bf2b44cc1d
+Subproject commit af900a0cd07c548641c406db8048b7dac10a548b