diff --git a/Libplanet b/Libplanet
index 87973e471..b17d8aaa5 160000
--- a/Libplanet
+++ b/Libplanet
@@ -1 +1 @@
-Subproject commit 87973e47176007bcc71d1faab68416d715c2e1af
+Subproject commit b17d8aaa556ee4710c1660d5233b29ca4c388c8a