diff --git a/docs/developing-locally.rst b/docs/developing-locally.rst
index b3c533ef..44fb6b7f 100644
--- a/docs/developing-locally.rst
+++ b/docs/developing-locally.rst
@@ -11,7 +11,7 @@ The steps below will get you up and running with a local development environment
 
 First make sure to create and activate a virtualenv_, then open a terminal at the project root and install the os dependencies::
 
-    $ ./install_os_dependencies.sh install
+    $ sudo ./install_os_dependencies.sh install
 
 Then install the requirements for your local development::