diff --git a/CHANGELOG.md b/CHANGELOG.md
index 149b800..4c55cde 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,11 @@
 
 ## Unreleased
 
+## 0.5.0
+
+* [#97](https://github.com/contentful-userland/contentful.ex/pull/97) switches underlying http adapter to `tesla` for higher flexibility. Thank you @OldhamMade
+* tests against Elixir 1.13 and updates required elixir version to 1.11
+
 ## 0.4.1
 
 * [#75](https://github.com/contentful-labs/contentful.ex/issue/75) fixes an issue concerning malformed docs, thanks @OldhamMade
diff --git a/mix.exs b/mix.exs
index 05ddbb1..0aac22c 100644
--- a/mix.exs
+++ b/mix.exs
@@ -15,13 +15,13 @@ defmodule Contentful.Mixfile do
 
   alias Contentful.Delivery.{Assets, ContentTypes, Entries, Locales, Spaces}
 
-  @version "0.4.1"
+  @version "0.5.0"
 
   def project do
     [
       app: :contentful,
       version: @version,
-      elixir: "~> 1.7",
+      elixir: "~> 1.10",
       build_embedded: Mix.env() == :prod,
       start_permanent: Mix.env() == :prod,
       description: description(),