diff --git a/dockerGrader/requirements.txt b/dockerGrader/requirements.txt
index 449a3f3..af953fb 100644
--- a/dockerGrader/requirements.txt
+++ b/dockerGrader/requirements.txt
@@ -3,7 +3,7 @@ Babel==2.6.0
 billiard==3.5.0.4
 boto3==1.9.0
 botocore==1.12.0
-celery==4.2.1
+celery==5.2.2
 click==6.7
 docutils==0.14
 Flask==1.0.2