diff --git a/sims/firesim b/sims/firesim
index 4cad8b72..21c8a5e5 160000
--- a/sims/firesim
+++ b/sims/firesim
@@ -1 +1 @@
-Subproject commit 4cad8b72b4edbd83d782c8b09a5f18a18b09e74c
+Subproject commit 21c8a5e5f1e5f329232473380b067d9d5a8e0f8c