diff --git a/composer.json b/composer.json
index d912422e..07f9fdb9 100644
--- a/composer.json
+++ b/composer.json
@@ -15,15 +15,15 @@
     "php": ">=5.4",
     "doctrine/annotations": "~1.2",
     "doctrine/dbal": "~2.5",
-    "jms/serializer": "0.16.0",
+    "jms/serializer": "~1.1.0",
     "monolog/monolog": "~1.0",
     "psr/http-message": "~1.0",
     "psr/log": "~1.0",
-    "symfony/console": "~2.6",
-    "symfony/dependency-injection": "~2.6",
-    "symfony/event-dispatcher": "~2.6",
-    "symfony/yaml": "~2.6",
-    "zendframework/zend-diactoros": "~1.0"
+    "symfony/console": "~2.8",
+    "symfony/dependency-injection": "~2.8",
+    "symfony/event-dispatcher": "~2.8",
+    "symfony/yaml": "~2.8",
+    "zendframework/zend-diactoros": "~1.2"
   },
   "require-dev": {
     "phpunit/phpunit": "~4.8",