diff --git a/composer.json b/composer.json
index 943eb0c..f65f8cb 100644
--- a/composer.json
+++ b/composer.json
@@ -25,7 +25,7 @@
     "stephenhill/base58": "~1.0",
     "grpc/grpc": "^1.20.0",
     "google/protobuf": "^3.6.1",
-    "jms/serializer": "1.7.1",
+    "jms/serializer": "1.14.0",
     "composer/composer": "^1.9"
   },
   "require-dev": {
diff --git a/composer.lock b/composer.lock
index cd41f66..d0bca0e 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "a75315965bcc27556c1a315e9c153fdd",
+    "content-hash": "85447f73c795aeeef462fa03f7a5e535",
     "packages": [
         {
             "name": "composer/ca-bundle",
@@ -666,29 +666,28 @@
         },
         {
             "name": "jms/serializer",
-            "version": "1.7.1",
+            "version": "1.14.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/schmittjoh/serializer.git",
-                "reference": "4fad8bbbe76e05de3b79ffa3db027058ed3813ff"
+                "reference": "ee96d57024af9a7716d56fcbe3aa94b3d030f3ca"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/schmittjoh/serializer/zipball/4fad8bbbe76e05de3b79ffa3db027058ed3813ff",
-                "reference": "4fad8bbbe76e05de3b79ffa3db027058ed3813ff",
+                "url": "https://api.github.com/repos/schmittjoh/serializer/zipball/ee96d57024af9a7716d56fcbe3aa94b3d030f3ca",
+                "reference": "ee96d57024af9a7716d56fcbe3aa94b3d030f3ca",
                 "shasum": ""
             },
             "require": {
                 "doctrine/annotations": "^1.0",
                 "doctrine/instantiator": "^1.0.3",
-                "jms/metadata": "~1.1",
+                "jms/metadata": "^1.3",
                 "jms/parser-lib": "1.*",
-                "php": ">=5.5.0",
+                "php": "^5.5|^7.0",
                 "phpcollection/phpcollection": "~0.1",
                 "phpoption/phpoption": "^1.1"
             },
             "conflict": {
-                "jms/serializer-bundle": "<1.2.1",
                 "twig/twig": "<1.12"
             },
             "require-dev": {
@@ -698,6 +697,8 @@
                 "jackalope/jackalope-doctrine-dbal": "^1.1.5",
                 "phpunit/phpunit": "^4.8|^5.0",
                 "propel/propel1": "~1.7",
+                "psr/container": "^1.0",
+                "symfony/dependency-injection": "^2.7|^3.3|^4.0",
                 "symfony/expression-language": "^2.6|^3.0",
                 "symfony/filesystem": "^2.1",
                 "symfony/form": "~2.1|^3.0",
@@ -714,7 +715,7 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "1.8-dev"
+                    "dev-1.x": "1.14-dev"
                 }
             },
             "autoload": {
@@ -724,9 +725,13 @@
             },
             "notification-url": "https://packagist.org/downloads/",
             "license": [
-                "Apache-2.0"
+                "MIT"
             ],
             "authors": [
+                {
+                    "name": "Asmir Mustafic",
+                    "email": "goetas@gmail.com"
+                },
                 {
                     "name": "Johannes M. Schmitt",
                     "email": "schmittjoh@gmail.com"
@@ -741,7 +746,7 @@
                 "serialization",
                 "xml"
             ],
-            "time": "2017-05-15T08:35:42+00:00"
+            "time": "2019-04-17T08:12:16+00:00"
         },
         {
             "name": "justinrainbow/json-schema",