diff --git a/lib/aura/model/hex_package.ex b/lib/aura/model/hex_package.ex
index 959150d..aff222b 100644
--- a/lib/aura/model/hex_package.ex
+++ b/lib/aura/model/hex_package.ex
@@ -5,8 +5,8 @@ defmodule Aura.Model.HexPackage do
 
   alias Aura.Model.DownloadStats
   alias Aura.Model.HexPackage
+  alias Aura.Model.HexRelease
   alias Aura.Model.PackageMeta
-  alias Aura.Model.Release
 
   DownloadStats
 
@@ -36,7 +36,7 @@ defmodule Aura.Model.HexPackage do
   defp serialize(:meta, v), do: PackageMeta.build(v)
   defp serialize(:downloads, v), do: DownloadStats.build(v)
 
-  defp serialize(:releases, v), do: Enum.map(v, &Release.build/1)
+  defp serialize(:releases, v), do: Enum.map(v, &HexRelease.build/1)
 
   defp serialize(_k, v), do: v
 end
@@ -47,7 +47,6 @@ defmodule Aura.Model.PackageMeta do
   import Aura.Model.Common
 
   defstruct [
-    #
     :maintainers,
     :links,
     :licenses,
@@ -75,19 +74,3 @@ defmodule Aura.Model.DownloadStats do
     struct(Aura.Model.DownloadStats, fields)
   end
 end
-
-defmodule Aura.Model.Release do
-  @moduledoc false
-
-  import Aura.Model.Common
-
-  defstruct [
-    :version,
-    :url
-  ]
-
-  def build(m) when is_map(m) do
-    fields = prepare(m)
-    struct(Aura.Model.Release, fields)
-  end
-end
diff --git a/lib/aura/model/hex_release.ex b/lib/aura/model/hex_release.ex
new file mode 100644
index 0000000..4c9de8e
--- /dev/null
+++ b/lib/aura/model/hex_release.ex
@@ -0,0 +1,50 @@
+defmodule Aura.Model.HexRelease do
+  @moduledoc false
+
+  import Aura.Model.Common
+
+  defstruct [
+    :checksum,
+    :configs,
+    :docs_html_url,
+    :downloads,
+    :has_docs,
+    :html_url,
+    :inserted_at,
+    :meta,
+    :package_url,
+    :publisher,
+    :requirements,
+    :retirement,
+    :updated_at,
+    :version,
+    :url
+  ]
+
+  def build(m) when is_map(m) do
+    fields =
+      m
+      |> prepare()
+      |> Map.new(fn {k, v} -> {k, serialize(k, v)} end)
+
+    struct(Aura.Model.HexRelease, fields)
+  end
+
+  defp serialize(_k, nil), do: nil
+  defp serialize(:meta, v), do: v |> prepare() |> Map.new()
+  defp serialize(:publisher, v), do: v |> prepare() |> Map.new()
+
+  defp serialize(:requirements, v) do
+    v
+    |> Map.values()
+    |> Enum.map(fn m -> m |> prepare() |> Map.new() end)
+  end
+
+  defp serialize(:retirement, v) do
+    v
+    |> prepare()
+    |> Map.new(fn {k, v} -> if k == :reason, do: {k, String.to_atom(v)}, else: {k, v} end)
+  end
+
+  defp serialize(_k, v), do: v
+end
diff --git a/lib/aura/releases.ex b/lib/aura/releases.ex
new file mode 100644
index 0000000..7f2e0f6
--- /dev/null
+++ b/lib/aura/releases.ex
@@ -0,0 +1,12 @@
+defmodule Aura.Releases do
+  @moduledoc false
+
+  alias Aura.Model.HexRelease
+  alias Aura.Requester
+
+  def get_release(package_name, version) do
+    with {:ok, %{body: body}} <- Requester.get("/packages/#{package_name}/releases/#{version}") do
+      {:ok, HexRelease.build(body)}
+    end
+  end
+end
diff --git a/lib/aura/util/requester.ex b/lib/aura/util/requester.ex
index d390dff..19a79bc 100644
--- a/lib/aura/util/requester.ex
+++ b/lib/aura/util/requester.ex
@@ -67,7 +67,7 @@ defmodule Aura.Requester do
     version = config[:version] || "0.0.0"
     e_version = System.version()
     mix_env = Mix.env()
-    user_agent = "#{app}/#{version} (Elixir/#{e_version}) (OTP/#{otp_version()})(#{mix_env})"
+    user_agent = "#{app}/#{version} (Elixir/#{e_version}) (OTP/#{otp_version()}) (#{mix_env})"
     {"User-Agent", user_agent}
   end
 
diff --git a/test/aura/model/hex_package_test.exs b/test/aura/model/hex_package_test.exs
new file mode 100644
index 0000000..c7bd2c1
--- /dev/null
+++ b/test/aura/model/hex_package_test.exs
@@ -0,0 +1,14 @@
+defmodule Aura.Model.HexPackageTest do
+  use ExUnit.Case
+
+  import Aura.Factory
+
+  alias Aura.Model.HexPackage
+
+  doctest HexPackage
+
+  test "build many" do
+    list = build_list(100, :hex_package)
+    assert Enum.count(list) == 100
+  end
+end
diff --git a/test/aura/model/hex_release_test.exs b/test/aura/model/hex_release_test.exs
new file mode 100644
index 0000000..c311138
--- /dev/null
+++ b/test/aura/model/hex_release_test.exs
@@ -0,0 +1,15 @@
+defmodule Aura.Model.HexReleaseTest do
+  use ExUnit.Case
+
+  import Aura.Factory
+
+  alias Aura.Model.HexRelease
+
+  @moduletag :capture_log
+  doctest HexRelease
+
+  test "build many" do
+    list = build_list(100, :hex_release)
+    assert Enum.count(list) == 100
+  end
+end
diff --git a/test/aura/model/aura/model/hex_repo_test.exs b/test/aura/model/hex_repo_test.exs
similarity index 100%
rename from test/aura/model/aura/model/hex_repo_test.exs
rename to test/aura/model/hex_repo_test.exs
diff --git a/test/aura/releases_test.exs b/test/aura/releases_test.exs
new file mode 100644
index 0000000..74a7bd8
--- /dev/null
+++ b/test/aura/releases_test.exs
@@ -0,0 +1,20 @@
+defmodule Aura.ReleasesTest do
+  use ExUnit.Case
+
+  alias Aura.Packages
+  alias Aura.Releases
+
+  @moduletag :capture_log
+
+  doctest Releases
+
+  test "get_release" do
+    [package] = Enum.take(Packages.list_packages(), 1)
+    version = package.releases |> hd() |> Map.get(:version)
+    assert {:ok, release} = Releases.get_release(package.name, version)
+    assert release.publisher
+
+    assert {:ok, release} = Releases.get_release("ex_ftp", "0.9.2")
+    assert release.retirement.message
+  end
+end
diff --git a/test/support/factories/hex_package_factory.ex b/test/support/factories/hex_package_factory.ex
new file mode 100644
index 0000000..03cff62
--- /dev/null
+++ b/test/support/factories/hex_package_factory.ex
@@ -0,0 +1,55 @@
+defmodule Aura.Factory.HexPackageFactory do
+  @moduledoc false
+
+  defmacro __using__(_opts) do
+    quote do
+      def hex_package_factory(attrs) do
+        inserted_at = Faker.DateTime.backward(40)
+        meta = build(:package_meta)
+        downloads = build(:package_downloads)
+        releases = build_list(5, :hex_release)
+
+        %Aura.Model.HexPackage{
+          name: Faker.Internet.user_name(),
+          repository: Faker.Internet.user_name(),
+          private: Enum.random([true, false]),
+          meta: meta,
+          downloads: downloads,
+          releases: releases,
+          inserted_at: inserted_at,
+          url: Faker.Internet.url(),
+          html_url: Faker.Internet.url(),
+          docs_html_url: Faker.Internet.url(),
+          updated_at: Faker.DateTime.between(inserted_at, DateTime.now!("Etc/UTC"))
+        }
+        |> merge_attributes(attrs)
+        |> evaluate_lazy_attributes()
+      end
+
+      def package_meta_factory(attrs) do
+        %Aura.Model.PackageMeta{
+          maintainers: Enum.map(1..5, fn _ -> Faker.Internet.user_name() end),
+          links: Enum.map(1..5, fn _ -> Faker.Internet.url() end),
+          licenses: Enum.map(1..5, fn _ -> Faker.Internet.slug() end),
+          description: Faker.Lorem.sentence()
+        }
+        |> merge_attributes(attrs)
+        |> evaluate_lazy_attributes()
+      end
+
+      def package_downloads_factory(attrs) do
+        day = Faker.random_between(10, 100)
+        week = day + Faker.random_between(10, 100)
+        all = week + Faker.random_between(10, 100)
+
+        %Aura.Model.DownloadStats{
+          all: all,
+          week: week,
+          day: day
+        }
+        |> merge_attributes(attrs)
+        |> evaluate_lazy_attributes()
+      end
+    end
+  end
+end
diff --git a/test/support/factories/hex_release_factory.ex b/test/support/factories/hex_release_factory.ex
new file mode 100644
index 0000000..904ae7e
--- /dev/null
+++ b/test/support/factories/hex_release_factory.ex
@@ -0,0 +1,61 @@
+defmodule Aura.Factory.HexReleaseFactory do
+  @moduledoc false
+
+  defmacro __using__(_opts) do
+    quote do
+      def hex_release_factory(attrs) do
+        name = Faker.Internet.slug()
+
+        requirements =
+          Enum.map(1..5, fn _ ->
+            %{optional: Enum.random([true, false]), app: Faker.Internet.slug(), requirement: "~> #{Faker.App.semver()}"}
+          end)
+
+        meta = %{elixir: "~> 1.18", app: name, build_tools: ["mix"]}
+
+        configs =
+          %{
+            "erlang.mk" => "#{name} = hex 0.9.2",
+            "mix.exs" => "{:#{name}, \"~> 0.9.2\"}",
+            "rebar.config" => "{#{name}, \"0.9.2\"}"
+          }
+
+        publisher =
+          Enum.map(1..5, fn _ ->
+            %{url: Faker.Internet.url(), email: Faker.Internet.email(), username: Faker.Internet.user_name()}
+          end)
+
+        inserted_at = Faker.DateTime.backward(40)
+        has_docs = Enum.random([true, false])
+        docs_html_url = if has_docs, do: Faker.Internet.url()
+        retired? = Enum.random([true, false])
+
+        retirement =
+          if retired?,
+            do: %{
+              message: Faker.Lorem.sentence(),
+              reason: Enum.random([:other, :invalid, :security, :deprecated, :renamed])
+            }
+
+        %Aura.Model.HexRelease{
+          configs: configs,
+          meta: meta,
+          checksum: Faker.Lorem.characters(65),
+          version: Faker.App.semver(),
+          url: Faker.Internet.url(),
+          docs_html_url: docs_html_url,
+          html_url: Faker.Internet.url(),
+          has_docs: has_docs,
+          package_url: Faker.Internet.url(),
+          downloads: Faker.random_between(10, 100),
+          publisher: publisher,
+          retirement: retirement,
+          inserted_at: inserted_at,
+          updated_at: Faker.DateTime.between(inserted_at, DateTime.now!("Etc/UTC"))
+        }
+        |> merge_attributes(attrs)
+        |> evaluate_lazy_attributes()
+      end
+    end
+  end
+end
diff --git a/test/support/factory.ex b/test/support/factory.ex
index cf8b135..b69d14a 100644
--- a/test/support/factory.ex
+++ b/test/support/factory.ex
@@ -2,4 +2,6 @@ defmodule Aura.Factory do
   @moduledoc false
   use ExMachina
   use Aura.Factory.HexRepoFactory
+  use Aura.Factory.HexPackageFactory
+  use Aura.Factory.HexReleaseFactory
 end