diff --git a/CHANGELOG.md b/CHANGELOG.md
index de523f911..ad9164266 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,10 @@
 ## Changelog
 
+### 2.1.5 2016/11/21
+- [#2623](https://github.com/wallabag/wallabag/pull/2623) Force composer to run as PHP 5.5.9 (@j0k3r)
+- [#2608](https://github.com/wallabag/wallabag/pull/2608) Change version to 2.2.0-dev (@nicosomb)
+- [#2607](https://github.com/wallabag/wallabag/pull/2607) Updated changelog for 2.1.4 (@nicosomb)
+
 ### 2.1.4 2016/11/19
 - [#2604](https://github.com/wallabag/wallabag/pull/2604) wallabag can’t work on PostgreSQL <= 9.1 (@j0k3r)
 - [#2605](https://github.com/wallabag/wallabag/pull/2605) Add .travis.yml change to RELEASE_PROCESS (@j0k3r)
diff --git a/app/config/config.yml b/app/config/config.yml
index 53c26beb5..487e934bc 100644
--- a/app/config/config.yml
+++ b/app/config/config.yml
@@ -30,7 +30,7 @@ framework:
     assets: ~
 
 wallabag_core:
-    version: 2.2.0-dev
+    version: 2.1.5
     paypal_url: "https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=9UBA65LG3FX9Y&lc=gb"
     languages:
         en: 'English'
@@ -218,7 +218,9 @@ fos_oauth_server:
     auth_code_class:     Wallabag\ApiBundle\Entity\AuthCode
     service:
         user_provider: fos_user.user_manager
-
+        options:
+            refresh_token_lifetime: 1209600
+                
 scheb_two_factor:
     trusted_computer:
         enabled: true
diff --git a/composer.json b/composer.json
index 6d7a7adf5..1548d6ec6 100644
--- a/composer.json
+++ b/composer.json
@@ -89,7 +89,7 @@
         "doctrine/doctrine-fixtures-bundle": "~2.2",
         "doctrine/data-fixtures": "~1.1.1",
         "sensio/generator-bundle": "^3.0",
-        "phpunit/phpunit": "~5.0",
+        "phpunit/phpunit": "~4.0",
         "symfony/phpunit-bridge": "^3.0",
         "friendsofphp/php-cs-fixer": "~1.9",
         "m6web/redis-mock": "^2.0"
@@ -128,7 +128,10 @@
         "psr-4": { "Tests\\": "tests/" }
     },
     "config": {
-        "bin-dir": "bin"
+        "bin-dir": "bin",
+        "platform": {
+            "php": "5.5.9"
+        }
     },
     "minimum-stability": "dev",
     "prefer-stable": true