diff --git a/requirements.txt b/requirements.txt
old mode 100755
new mode 100644
index a511252..5d56c76
--- a/requirements.txt
+++ b/requirements.txt
@@ -12,7 +12,7 @@ django-model-utils==2.5.1
 django-notifications-hq==1.2
 django-smuggler==0.7.0
 django-widget-tweaks==1.4.1
-djangorestframework==3.4.4
+djangorestframework==3.9.1
 gunicorn==19.6.0
 jsonfield==1.0.3
 mock==2.0.0