diff --git a/firrtl b/firrtl
index 224cebab..f8572ba6 160000
--- a/firrtl
+++ b/firrtl
@@ -1 +1 @@
-Subproject commit 224cebab89a3176e7c23b6d09b0b48841a9c48c5
+Subproject commit f8572ba6532359e8a0f1bc34f3eb8241a29129ab