diff --git a/DEPLOY.md b/DEPLOY.md
index 97537b7e..13354464 100644
--- a/DEPLOY.md
+++ b/DEPLOY.md
@@ -187,7 +187,7 @@ You still need kandan (from above)
 
 Lots of the gems require other libraries: 
 
-    sudo apt-get install ruby1.9.1-dev libxslt-dev libxml2-dev libpq-dev libsqlite3-dev
+    sudo apt-get install ruby1.9.1-dev ruby-bundler libxslt-dev libxml2-dev libpq-dev libsqlite3-dev
 
 For development-mode