diff --git a/sims/firesim b/sims/firesim
index 22ce787f..afd51ab7 160000
--- a/sims/firesim
+++ b/sims/firesim
@@ -1 +1 @@
-Subproject commit 22ce787fab2515c81bfbc98bbfdcd94b075d7a8a
+Subproject commit afd51ab7a847ecb99593077db8d9e369c70242bd