diff --git a/config/test.exs b/config/test.exs
index 6a30c71..8a19e45 100644
--- a/config/test.exs
+++ b/config/test.exs
@@ -8,7 +8,7 @@ import Config
 config :components_elixir, ComponentsElixir.Repo,
   username: "postgres",
   password: System.get_env("POSTGRES_PASSWORD") || "fCnPB8VQdPkhJAD29hq6sZEY",
-  hostname: "localhost",
+  hostname: System.get_env("POSTGRES_HOSTNAME") || "localhost",
   database: "components_elixir_test#{System.get_env("MIX_TEST_PARTITION")}",
   pool: Ecto.Adapters.SQL.Sandbox,
   pool_size: System.schedulers_online() * 2