diff --git a/external/mono b/external/mono
index 2cc940be99..1644a1a01d 160000
--- a/external/mono
+++ b/external/mono
@@ -1 +1 @@
-Subproject commit 2cc940be994affe308893cda83a7536af15f9153
+Subproject commit 1644a1a01d51e13d01b1202286ee890412462d25