diff --git a/README.md b/README.md
index 55148974..65482eac 100644
--- a/README.md
+++ b/README.md
@@ -12,6 +12,7 @@ In the `ios` directory
 
 * Install Pods: `gem install cocoapods`
 * Install Pods: `pod install`
+* Install xcpretty: `gem install xcpretty`
 * Launch: `open Sample.xcworkspace`
 
 ### Server