diff --git a/Iyokan b/Iyokan
index ad8a873..a88c42e 160000
--- a/Iyokan
+++ b/Iyokan
@@ -1 +1 @@
-Subproject commit ad8a8735665527c8edd76245d41b41d54b0c64ce
+Subproject commit a88c42e02ed475b301823bb7aa24554fc0a34a8f