diff --git a/requirements.txt b/requirements.txt
old mode 100755
new mode 100644
index c664601..5c27b9f
--- a/requirements.txt
+++ b/requirements.txt
@@ -38,7 +38,7 @@ coloredlogs==14.0
 cryptography==2.9.2
 dj-database-url==0.5.0
 django-celery-beat
-django-celery-results==1.2.1
+django-celery-results==2.4.0
 django-widget-tweaks
 djangorestframework==3.11.1
 docutils==0.15.2