diff --git a/composer.json b/composer.json
index 2ae6829..5d2243f 100644
--- a/composer.json
+++ b/composer.json
@@ -12,7 +12,7 @@
     ],
     "require": {
         "php": ">=5.5",
-        "jms/serializer": "~0.15",
+        "jms/serializer": "^1.6",
         "widop/http-adapter": "~1.0"
     },
     "autoload": {