diff --git a/Iyokan b/Iyokan
index 995aa55..b1b7c07 160000
--- a/Iyokan
+++ b/Iyokan
@@ -1 +1 @@
-Subproject commit 995aa554c6963b6370a5bbecb77d175aa9cf0bc4
+Subproject commit b1b7c07c33bda8fc72d42dc060b0c572602b02e5