diff --git a/requirements b/requirements
index a00e94e..380c1b5 100644
--- a/requirements
+++ b/requirements
@@ -4,7 +4,7 @@ django-crispy-forms
 django-sekizai
 https://bitbucket.org/cpcc/django-cas/get/197f156.tar.gz
 django-admin-tools>=0.5,<0.6
-pypdf
+http://pybrary.net/pyPdf/pyPdf-1.13.tar.gz
 flup
 django-debug-toolbar
 gunicorn