diff --git a/OpenJij b/OpenJij
index a7cfddf..608945c 160000
--- a/OpenJij
+++ b/OpenJij
@@ -1 +1 @@
-Subproject commit a7cfddffbe8c7c4401b34b172f4219fd50671dc0
+Subproject commit 608945c83140e6d0e8d4e2f360977cc94a780608