diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 80101446..dc00c0e1 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -1,6 +1,8 @@
 image: "elixir:1.10"
 
 variables:
+  POSTGRES_PASSWORD: "postgres"
+  POSTGRES_USER: "postgres"
   DATABASE_URL: "postgres"
 
 services: