diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 7c3d5066c..cb75101d1 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -3,6 +3,9 @@ image: elixir:latest
 services:
   - postgres:latest
 
+variables:
+  MIX_ENV: "test"
+
 before_script:
   - mix local.rebar --force
   - mix local.hex --force
diff --git a/config/test.exs b/config/test.exs
index 16a538c3c..9ef5cbbdb 100644
--- a/config/test.exs
+++ b/config/test.exs
@@ -15,9 +15,9 @@ config :logger,
 # Configure your database
 config :eventos, Eventos.Repo,
   adapter: Ecto.Adapters.Postgres,
-  username: "elixir",
-  password: "elixir",
+  username: if(System.get_env("CI"), do: "postgres", else: "elixir"),
+  password: if(System.get_env("CI"), do: "", else: "elixir"),
   database: "eventos_test",
-  hostname: "localhost",
+  hostname: if(System.get_env("CI"), do: "postgres", else: "localhost"),
   pool: Ecto.Adapters.SQL.Sandbox,
   types: Eventos.PostgresTypes