diff --git a/sims/firesim b/sims/firesim
index 26ffba7c..4c1a3aa2 160000
--- a/sims/firesim
+++ b/sims/firesim
@@ -1 +1 @@
-Subproject commit 26ffba7cbca2982fef6b221a7abbc51d5cdc4b62
+Subproject commit 4c1a3aa2122d35c505e8135642bfb6870f2fce19