diff --git a/lib/smart_city/test_data_generator.ex b/lib/smart_city/test_data_generator.ex
index 24ed1f7..9efd68e 100644
--- a/lib/smart_city/test_data_generator.ex
+++ b/lib/smart_city/test_data_generator.ex
@@ -29,7 +29,7 @@ defmodule SmartCity.TestDataGenerator do
       business: %{
         dataTitle: title,
         description: Faker.Lorem.Shakespeare.hamlet(),
-        modifiedDate: Faker.DateTime.backward(360) |> DateTime.to_iso8601(),
+        modifiedDate: Faker.DateTime.backward(360) |> Date.to_iso8601(),
         orgTitle: org,
         contactName: Faker.Name.name(),
         contactEmail: Faker.Internet.email(),
diff --git a/mix.exs b/mix.exs
index b8b3ec7..dfc5234 100644
--- a/mix.exs
+++ b/mix.exs
@@ -4,7 +4,7 @@ defmodule SmartCityTest.MixProject do
   def project do
     [
       app: :smart_city_test,
-      version: "0.5.4",
+      version: "0.6.0",
       elixir: "~> 1.8",
       start_permanent: Mix.env() == :prod,
       description: description(),
@@ -30,7 +30,7 @@ defmodule SmartCityTest.MixProject do
   defp deps do
     [
       {:brod, "~> 3.8"},
-      {:smart_city, "~> 3.2.0"},
+      {:smart_city, "~> 3.0"},
       {:faker, "~> 0.12"},
       {:ex_doc, "~> 0.19"},
       {:credo, "~> 1.1", only: [:dev, :test, :integration], runtime: false},
diff --git a/mix.lock b/mix.lock
index db1a805..0211909 100644
--- a/mix.lock
+++ b/mix.lock
@@ -15,7 +15,7 @@
   "mime": {:hex, :mime, "1.3.1", "30ce04ab3175b6ad0bdce0035cba77bba68b813d523d1aac73d9781b4d193cf8", [:mix], [], "hexpm"},
   "nimble_parsec": {:hex, :nimble_parsec, "0.5.1", "c90796ecee0289dbb5ad16d3ad06f957b0cd1199769641c961cfe0b97db190e0", [:mix], [], "hexpm"},
   "patiently": {:hex, :patiently, "0.2.0", "67eb139591e10c4b363ae0198e832552f191c58894731efd3bf124ec4722267a", [:mix], [], "hexpm"},
-  "smart_city": {:hex, :smart_city, "3.2.1", "4fcd3448ff804c39e1c538d0ff618250f1e23a5b0e997d3e6825094c0771d88c", [:mix], [{:brook_serializer, "~> 2.0", [hex: :brook_serializer, repo: "hexpm", optional: false]}, {:jason, "~> 1.1", [hex: :jason, repo: "hexpm", optional: false]}, {:mime, "~> 1.3", [hex: :mime, repo: "hexpm", optional: false]}], "hexpm"},
+  "smart_city": {:hex, :smart_city, "3.5.1", "c0d1fb6ba8357949d7319d6857c86c46df3c28ef7a2bf0de4c47841755408a79", [:mix], [{:brook_serializer, "~> 2.0", [hex: :brook_serializer, repo: "hexpm", optional: false]}, {:jason, "~> 1.1", [hex: :jason, repo: "hexpm", optional: false]}, {:mime, "~> 1.3", [hex: :mime, repo: "hexpm", optional: false]}], "hexpm"},
   "snappyer": {:hex, :snappyer, "1.2.4", "6d739c534cd2339633127a2b40279be71f149e5842c5363a4d88e66efb7c1fec", [:make, :rebar, :rebar3], [], "hexpm"},
   "supervisor3": {:hex, :supervisor3, "1.1.8", "5cf95c95342b589ec8d74689eea0646c0a3eb92820241e0c2d0ca4c104df92bc", [:make, :rebar, :rebar3], [], "hexpm"},
 }