diff --git a/test/adapters/ecto/postgres/test_helper.exs b/test/adapters/ecto/postgres/test_helper.exs
index 4976711..d0d4f5e 100644
--- a/test/adapters/ecto/postgres/test_helper.exs
+++ b/test/adapters/ecto/postgres/test_helper.exs
@@ -17,9 +17,10 @@ end
 
 defmodule Flop.Integration.Case do
   use ExUnit.CaseTemplate
+  alias Ecto.Adapters.SQL.Sandbox
 
   setup do
-    :ok = Ecto.Adapters.SQL.Sandbox.checkout(Flop.Repo)
+    :ok = Sandbox.checkout(Flop.Repo)
   end
 end
 
diff --git a/test/adapters/ecto/sqlite/test_helper.exs b/test/adapters/ecto/sqlite/test_helper.exs
index 8a34bdb..b17ca21 100644
--- a/test/adapters/ecto/sqlite/test_helper.exs
+++ b/test/adapters/ecto/sqlite/test_helper.exs
@@ -15,9 +15,10 @@ end
 
 defmodule Flop.Integration.Case do
   use ExUnit.CaseTemplate
+  alias Ecto.Adapters.SQL.Sandbox
 
   setup do
-    :ok = Ecto.Adapters.SQL.Sandbox.checkout(Flop.Repo)
+    :ok = Sandbox.checkout(Flop.Repo)
   end
 end