diff --git a/firrtl b/firrtl
index cf226360..d824c60c 160000
--- a/firrtl
+++ b/firrtl
@@ -1 +1 @@
-Subproject commit cf226360a7681354609779743895d015c3415451
+Subproject commit d824c60c9643973e0ae9cddc5007b3d9592f8a52