diff --git a/requirements.txt b/requirements.txt
index 1065bd7224c04621886c8b37f19cd5f1ac23f32b..0125a964667cd7343e311dadd80a8a327b50d577 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -15,7 +15,7 @@ sentry-sdk==0.12.3
 
 # Production dependencies
 boto3==1.9.245
-celery==4.2.1
+celery==4.3.0
 dj-database-url==0.5.0
 django-anymail==6.0.1
 django-basic-auth-ip-whitelist==0.2.1