diff --git a/external/koishi b/external/koishi
index aa21761d19..4adb18203b 160000
--- a/external/koishi
+++ b/external/koishi
@@ -1 +1 @@
-Subproject commit aa21761d19d4fe5f3f331bb14dda5304c7e032a5
+Subproject commit 4adb18203b7b2581e657bb55722e9fe55d2b02cf