diff --git a/README.rst b/README.rst
index 1afaddab..9a89d2d4 100644
--- a/README.rst
+++ b/README.rst
@@ -149,6 +149,8 @@ Projects using this library
 
 * `Lifeline <https://github.com/peter-clark/lifeline>`_: A 2D game
 
+* `Lyft Envoy <https://lyft.github.io/envoy/>`_: C++ L7 proxy and communication bus
+
 * `MongoDB Smasher <https://github.com/duckie/mongo_smasher>`_: A small tool to generate randomized datasets
 
 * `PenUltima Online (POL) <http://www.polserver.com/>`_: