diff --git a/src/envoy/prototype/README.md b/src/envoy/prototype/README.md
index 00e73a169d6..dc73f63f6c9 100644
--- a/src/envoy/prototype/README.md
+++ b/src/envoy/prototype/README.md
@@ -1,6 +1,11 @@
 
 This Proxy will use Envoy and talk to Mixer server. 
 
+## Install dependencies
+
+```
+  apt-get install uuid-dev
+```
 
 ## Build Mixer server