diff --git a/backend-simulators/pim/pimsim-nn b/backend-simulators/pim/pimsim-nn
index f7446df..acc4da2 160000
--- a/backend-simulators/pim/pimsim-nn
+++ b/backend-simulators/pim/pimsim-nn
@@ -1 +1 @@
-Subproject commit f7446dfc921a9885e7269fae206227880b2a303c
+Subproject commit acc4da278cee5cbc37bc78bade994328ecc85031