diff --git a/components/event_store/service/requirements.txt b/components/event_store/service/requirements.txt
index 3fb3f61..a1c606e 100644
--- a/components/event_store/service/requirements.txt
+++ b/components/event_store/service/requirements.txt
@@ -1,2 +1,3 @@
 flask
 Flask-And-Redis
+circuitbreaker