diff --git a/external/mono b/external/mono
index c51d1343f37..1b8c5541500 160000
--- a/external/mono
+++ b/external/mono
@@ -1 +1 @@
-Subproject commit c51d1343f37b5b7a21ee2c0db5188485b7dae295
+Subproject commit 1b8c5541500b458f5bc164b0908d62caaea0648d