diff --git a/src/requirements.txt b/src/requirements.txt
index bcaa54ec..bd99049c 100644
--- a/src/requirements.txt
+++ b/src/requirements.txt
@@ -6,6 +6,7 @@ Unidecode==0.04.20
 argparse==1.2.1
 asyncio==3.4.3
 bleach==1.5.0
+circus==0.14.0
 defusedxml==0.4.1
 django-allauth==0.30.0
 django-bleach==0.3.0