diff --git a/samples/stamp/atos/functional/template/browser/requirements.txt b/samples/stamp/atos/functional/template/browser/requirements.txt
old mode 100755
new mode 100644
index f54fcf4b..2a552048
--- a/samples/stamp/atos/functional/template/browser/requirements.txt
+++ b/samples/stamp/atos/functional/template/browser/requirements.txt
@@ -6,7 +6,7 @@ unittest-xml-reporting==2.5.1
 Django==1.10.2
 django-allauth==0.27.0
 django-rest-auth==0.8.1
-djangorestframework==3.4.7
+djangorestframework==3.9.1
 httplib2==0.9.2
 oauth2==1.9.0.post1
 oauthlib==2.0.0