diff --git a/README.rst b/README.rst
index 19dd1fa66..8d05505d0 100644
--- a/README.rst
+++ b/README.rst
@@ -135,6 +135,8 @@ Check out the latest development version anonymously with::
 Install dependencies:
 
     $ pip install -r requirements.txt
+    
+    $ pip install -r requirements-dev.txt
 
 Run tests: