diff --git a/sw/firesim-software b/sw/firesim-software
index e7f8e0d0..6640fc7c 160000
--- a/sw/firesim-software
+++ b/sw/firesim-software
@@ -1 +1 @@
-Subproject commit e7f8e0d06340481abc094ebb1fd05ec0b9afe16d
+Subproject commit 6640fc7cc787938c0cb012673c4fcdb1f4c851ff