diff --git a/docker/docker-compose-production.yml b/docker/docker-compose-production.yml
index e86096e5..de95c791 100644
--- a/docker/docker-compose-production.yml
+++ b/docker/docker-compose-production.yml
@@ -95,7 +95,7 @@ services:
       - ../shopelectro/settings/local.py:$SRC_DIR/shopelectro/settings/local.py
     networks:
       - se-backend
-    command: celery -A shopelectro worker -E -n worker.mail@%%h -l info -Q mail
+    command: celery -A shopelectro worker -E -n worker.mail@%%h -c 1 -l info -Q mail
 
   nginx:
     image: fidals/se-nginx:prod
diff --git a/requirements.txt b/requirements.txt
index 24697c90..4c654381 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -17,4 +17,4 @@ ua-parser==0.8.0
 user-agents==1.1.0
 sorl-thumbnail==12.4a1
 https://github.com/selwin/django-user_agents/archive/master.zip
-https://github.com/fidals/refarm-site/archive/0.2.1.zip
+https://github.com/fidals/refarm-site/archive/0.3.0.zip