diff --git a/sims/firesim b/sims/firesim
index 771b60a08b..b4951f2589 160000
--- a/sims/firesim
+++ b/sims/firesim
@@ -1 +1 @@
-Subproject commit 771b60a08b4f916beb05a9195b1e0238335db839
+Subproject commit b4951f2589114e3849c77c798982afd10fc11b3e