diff --git a/third-party/mruby b/third-party/mruby
index 1c09046c..7c91efc1 160000
--- a/third-party/mruby
+++ b/third-party/mruby
@@ -1 +1 @@
-Subproject commit 1c09046c13fc0a763583c6da0f1d350f6c41c4ca
+Subproject commit 7c91efc1ffda769a5f1a872c646c82b00698f1b8