diff --git a/requirements.txt b/requirements.txt
index 12eb400a..842c4e6f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,7 +6,7 @@ algoliasearch==1.12.0
 bcrypt==3.1.3
 blinker==1.4
 bleach==2.1.3
-celery[redis]==4.0.2
+celery[redis]==4.2.1
 CommonMark==0.7.2
 elasticsearch==6.1.1
 elasticsearch-dsl==6.1.0