diff --git a/CHANGELOG.md b/CHANGELOG.md
index 513559e35..5ef66a3bb 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,7 +1,7 @@
 Changelog
 =========
 
-## 0.4.0 (2015-??-??)
+## 0.4.0 (2015-12-04)
 * [BC break] Added `UserResponseInterface#getFirstName()` method, also a new default path `firstname`
   was added, this path holds the first name of user,
 * [BC break] Added `UserResponseInterface#getLastName()` method, also a new default path `lastname`
@@ -9,26 +9,37 @@ Changelog
 * [BC break] Added `UserResponseInterface::getOAuthToken()` & basic implementation in `AbstractUserResponse`,
 * [BC break] `GenericOAuth1ResourceOwner::getRequestToken()` is now public method (was protected),
 * Added: configuration parameter `firewall_name` (will be removed in next major version)
-  renamed to `firewall_names` to support mutiple firewalls,
-* Added Auth0 resource owner
-* Added Azure resource owner
-* Added BufferApp resource owner
-* Added Deezer resource owner
-* Added Discogs resource owner
-* Added EveOnline resource owner
-* Added Fiware resource owner
-* Added Hubic resource owner
-* Added Paypal resource owner
-* Added Reddit resource owner
-* Added Runkeeper resource owner
-* Added Soundcloud resource owner
-* Added Spotify resource owner
-* Added Strava resource owner
-* Added Toshl resource owner
-* Added Wechat resource owner
-* Added Wordpress resource owner
-* Added Xing resource owner
-* Added Youtube resource owner
+  renamed to `firewall_names` to support multiple firewalls,
+* Added: configuration parameter: `failed_auth_path` which contains route name, on which user
+  will be redirected after failure when connecting accounts (i.e. user denies connection),
+* Added: `appsecret_proof` functionality support to the Facebook resource owner,
+* Added: `sandbox` functionality support to the Salesforce resource owner,
+* Added Auth0 resource owner,
+* Added Azure resource owner,
+* Added BufferApp resource owner,
+* Added Deezer resource owner,
+* Added Discogs resource owner,
+* Added EveOnline resource owner,
+* Added Fiware resource owner,
+* Added Hubic resource owner,
+* Added Paypal resource owner,
+* Added Reddit resource owner,
+* Added Runkeeper resource owner,
+* Added Slack resource owner,
+* Added Spotify resource owner,
+* Added Soundcloud resource owner,
+* Added Strava resource owner,
+* Added Toshl resource owner,
+* Added Trakt resource owner,
+* Added Wechat resource owner,
+* Added Wordpress resource owner,
+* Added Xing resource owner,
+* Added Youtube resource owner,
+* Fixed: Revoking tokens for Facebook & Google resource owners,
+* Fixed: Instagram allows only GET calls to fetch user details,
+* Fixed: `ResourceOwnerMap` no longer depends on deprecated `ContainerAware` class,
+* Fixed: Wrong usage of `json_decode` in Mail.ru resource owner,
+* Fixed: Transform storage exceptions in OAuth1 resource owners into `AuthenticationException`
 * Fixed: Default scopes & fields for VKontakte resource owner
 
 ## 0.3.9 (2015-08-28)
diff --git a/README.md b/README.md
index cb0ad58be..61d02d0ff 100644
--- a/README.md
+++ b/README.md
@@ -15,7 +15,9 @@ This bundle contains support for 40 different providers:
 * Box,
 * BufferApp,
 * Dailymotion,
+* Deezer,
 * DeviantArt,
+* Discogs,
 * Disqus,
 * Dropbox,
 * EVE Online,
@@ -36,13 +38,16 @@ This bundle contains support for 40 different providers:
 * RunKeeper,
 * Salesforce,
 * Sensio Connect,
-* Sina Weibo
-* Spotify
-* Soundcloud
+* Sina Weibo,
+* Slack,
+* Soundcloud,
+* Spotify,
 * Stack Exchange,
 * Stereomood,
 * Strava,
 * Toshl,
+* Trakt,
+* Trello,
 * Twitch,
 * Twitter,
 * VKontakte,
@@ -62,7 +67,7 @@ Installation
 All the installation instructions are located in the documentation, check it for specific
 version:
 
-* [__0.4__](https://github.com/hwi/HWIOAuthBundle/blob/master/Resources/doc/1-setting_up_the_bundle.md) with support for Symfony `>=2.3`
+* [__0.4__](https://github.com/hwi/HWIOAuthBundle/blob/0.4/Resources/doc/1-setting_up_the_bundle.md) with support for Symfony `>=2.3,<3.0`
 * [__0.3__](https://github.com/hwi/HWIOAuthBundle/blob/0.3/Resources/doc/1-setting_up_the_bundle.md) with support for Symfony `>=2.1,<2.7`
 
 Documentation
@@ -71,7 +76,7 @@ Documentation
 The bulk of the documentation is stored in the `Resources/doc/index.md`
 file in this bundle. Read the documentation for version:
 
-* [__0.4__](https://github.com/hwi/HWIOAuthBundle/blob/master/Resources/doc/index.md) with support for Symfony `>=2.3`
+* [__0.4__](https://github.com/hwi/HWIOAuthBundle/blob/0.4/Resources/doc/index.md) with support for Symfony `>=2.3,<3.0`
 * [__0.3__](https://github.com/hwi/HWIOAuthBundle/blob/0.3/Resources/doc/index.md) with support for Symfony `>=2.1,<2.7`
 
 License
diff --git a/composer.json b/composer.json
index 3452f7079..7a68c702c 100644
--- a/composer.json
+++ b/composer.json
@@ -13,15 +13,20 @@
         "security",
 
         "amazon",
+        "auth0",
+        "azure",
         "bitbucket",
         "bitly",
         "box",
         "bufferapp",
         "dailymotion",
+        "deezer",
         "deviantart",
+        "discogs",
         "disqus",
         "dropbox",
         "eventbrite",
+        "eve online",
         "facebook",
         "fiware",
         "flickr",
@@ -34,15 +39,21 @@
         "linkedin",
         "mail.ru",
         "odnoklassniki",
+        "paypal",
         "qq",
+        "reddit",
         "runkeeper",
         "salesforce",
         "sensio connect",
-        "stack exchange",
-        "stereomood",
         "sina weibo",
+        "slack",
+        "sound cloud",
         "spotify",
+        "stack exchange",
+        "stereomood",
         "strava",
+        "toshl",
+        "trakt",
         "trello",
         "twitch",
         "twitter",
@@ -50,8 +61,10 @@
         "wechat",
         "windows live",
         "wordpress",
+        "xing",
         "yahoo",
         "yandex",
+        "youtube",
         "37signals"
     ],