diff --git a/shirakami b/shirakami
index f9ecd1f..fab4ebf 160000
--- a/shirakami
+++ b/shirakami
@@ -1 +1 @@
-Subproject commit f9ecd1f3e040ea48b1351ede3255a04e9e7f3009
+Subproject commit fab4ebf620775d4da669f826580211472084d10c