diff --git a/requirements.txt b/requirements.txt
old mode 100755
new mode 100644
index 4534b0c..f04f3ec
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,7 +7,7 @@ Django==1.11.14
 django-cors-headers==2.1.0
 django-filter==1.1.0
 django-rest-swagger==2.1.2
-djangorestframework==3.6.3
+djangorestframework==3.11.2
 djangorestframework-jsonapi==2.2.0
 djangorestframework-jwt==1.11.0
 graphene==2.0.1