diff --git a/src/simulation_util b/src/simulation_util
index 2b1b5011a2633d20721e61c5fea4bb2dd5fbbaa3..ecc8e6e06c36c3674cd9851987499cbbaa31747c 160000
--- a/src/simulation_util
+++ b/src/simulation_util
@@ -1 +1 @@
-Subproject commit 2b1b5011a2633d20721e61c5fea4bb2dd5fbbaa3
+Subproject commit ecc8e6e06c36c3674cd9851987499cbbaa31747c