diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2c6e5a4..8ea6548 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,11 +1,11 @@
 # Changelog
 
-## Unreleased
+## v2.0.0 (2019-07-15)
 
-### Bug Fixes
+### Bug fixes (possibly backwards incompatible)
 
 - Ensure that the OAuth client is authenticated via Authorization header as
-  described in the spec (#131)
+  described in the spec (#131).
 
 ## v1.0.1 (2019-04-12)
 
diff --git a/README.md b/README.md
index 31b7508..25cd061 100644
--- a/README.md
+++ b/README.md
@@ -18,7 +18,7 @@ end
 
 defp deps do
   # Add the dependency
-  [{:oauth2, "~> 1.0"}]
+  [{:oauth2, "~> 2.0"}]
 end
 ```
 
@@ -170,7 +170,6 @@ defmodule GitHub do
 
   def get_token(client, params, headers) do
     client
-    |> put_param(:client_secret, client.client_secret)
     |> put_header("accept", "application/json")
     |> OAuth2.Strategy.AuthCode.get_token(params, headers)
   end
diff --git a/mix.exs b/mix.exs
index b7c9dba..b6e76e8 100644
--- a/mix.exs
+++ b/mix.exs
@@ -1,7 +1,7 @@
 defmodule OAuth2.Mixfile do
   use Mix.Project
 
-  @version "1.0.1"
+  @version "2.0.0"
 
   def project do
     [