diff --git a/3rdparty/README.md b/3rdparty/README.md
index 8e6313ad251..9473fdff3ca 100644
--- a/3rdparty/README.md
+++ b/3rdparty/README.md
@@ -1,5 +1,7 @@
 # **3rdparty** #
 
+asio - [Boost Software License](http://www.boost.org/LICENSE_1_0.txt)
+
 benchmark - [Apache License, Version 2.0](http://opensource.org/licenses/Apache-2.0) (used only for testing, not part of distribution)
 
 bgfx - [The BSD 2-Clause License](http://opensource.org/licenses/BSD-2-Clause)