diff --git a/lib/open_jtalk b/lib/open_jtalk
index d74d20a..b56a8ed 160000
--- a/lib/open_jtalk
+++ b/lib/open_jtalk
@@ -1 +1 @@
-Subproject commit d74d20ac25d212079acb40fdb7af69f11d38d8cf
+Subproject commit b56a8ed2a63f021e72f237b15b8881ce1cbd621d