diff --git a/requirements.txt b/requirements.txt
index 7b6f59422..dcaea4c9f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,3 +3,5 @@ MySQL-python
 psycopg2
 
 ipdb
+django-extensions
+pygraphviz
diff --git a/sapl/settings.py b/sapl/settings.py
index 4e2ad2840..d9fbf3fb6 100644
--- a/sapl/settings.py
+++ b/sapl/settings.py
@@ -51,6 +51,9 @@ INSTALLED_APPS = (
     'norma',
     'lexml',
     'protocoloadm',
+
+    # more
+    'django_extensions',
 )
 
 MIDDLEWARE_CLASSES = (