diff --git a/vendor/HPWHsim b/vendor/HPWHsim
index e4d69fac9..f9b8f7751 160000
--- a/vendor/HPWHsim
+++ b/vendor/HPWHsim
@@ -1 +1 @@
-Subproject commit e4d69fac96e32ca6676dc21344e8c7888fe0c985
+Subproject commit f9b8f77516be78a5e3f0e86ef55fec9edbcd144c