diff --git a/asio b/asio
index b84e6c1..a4d820d 160000
--- a/asio
+++ b/asio
@@ -1 +1 @@
-Subproject commit b84e6c16b2ea907dbad94206b7510d85aafc0b42
+Subproject commit a4d820dd69b37fb8daee275d20eb162054453414