diff --git a/requirements b/requirements
index 9a2002a..695d87f 100644
--- a/requirements
+++ b/requirements
@@ -6,3 +6,4 @@ django-sekizai
 https://bitbucket.org/cpcc/django-cas/get/tip.tar.gz
 git+https://github.com/sehmaschine/django-grappelli@grappelli_2_4
 pypdf
+flup
diff --git a/setup.py b/setup.py
index 63aa5e0..0b46b23 100644
--- a/setup.py
+++ b/setup.py
@@ -24,5 +24,6 @@ setup(name="Polynum",
           'pypdf',
           'django-cas >= 2.1.1', # not in pypi => pip install https://bitbucket.org/cpcc/django-cas/get/tip.tar.gz
           'django-grappelli >= 2.4', # not in pypi => pip install git+https://github.com/sehmaschine/django-grappelli@grappelli_2_4
+          'flup',
       ],
 )