diff --git a/vendor/HPWHsim b/vendor/HPWHsim
index 2036d468b..2b1d58756 160000
--- a/vendor/HPWHsim
+++ b/vendor/HPWHsim
@@ -1 +1 @@
-Subproject commit 2036d468ba667e0fbdda3cc20a34f125b589409b
+Subproject commit 2b1d587560fb57253d900ddfbdc1862f53749427