diff --git a/.drone.yml b/.drone.yml
index 8a60399..dbe8c0f 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -20,6 +20,7 @@ steps:
     image: guildeducation/rails:2.7.2-14.20.0
     environment:
       RAILS_ENV: test
+      REDIS_URL: redis://redis:6379/0
     commands:
       - bundle config unset deployment
       - bundle config set cache_all 'true'