diff --git a/composer.lock b/composer.lock
index d2270b3..8bd70ac 100644
--- a/composer.lock
+++ b/composer.lock
@@ -1,7 +1,7 @@
 {
     "_readme": [
         "This file locks the dependencies of your project to a known state",
-        "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#composer-lock-the-lock-file",
+        "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
     "content-hash": "943aa6f6e61dd07dbb75a990b31f0240",
@@ -189,33 +189,29 @@
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-            "version": "v2.0.11",
+            "version": "v9.99.99",
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                 "url": "https://github.com/paragonie/random_compat.git",
-                "reference": "5da4d3c796c275c55f057af5a643ae297d96b4d8"
+                "reference": "84b4dfb120c6f9b4ff7b3685f9b8f1aa365a0c95"
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-                "reference": "5da4d3c796c275c55f057af5a643ae297d96b4d8",
+                "url": "https://api.github.com/repos/paragonie/random_compat/zipball/84b4dfb120c6f9b4ff7b3685f9b8f1aa365a0c95",
+                "reference": "84b4dfb120c6f9b4ff7b3685f9b8f1aa365a0c95",
                 "shasum": ""
             },
             "require": {
-                "php": ">=5.2.0"
+                "php": "^7"
             },
             "require-dev": {
-                "phpunit/phpunit": "4.*|5.*"
+                "phpunit/phpunit": "4.*|5.*",
+                "vimeo/psalm": "^1"
             },
             "suggest": {
                 "ext-libsodium": "Provides a modern crypto API that can be used to generate random bytes."
             },
             "type": "library",
-            "autoload": {
-                "files": [
-                    "lib/random.php"
-                ]
-            },
             "notification-url": "https://packagist.org/downloads/",
             "license": [
                 "MIT"
@@ -230,10 +226,11 @@
             "description": "PHP 5.x polyfill for random_bytes() and random_int() from PHP 7",
             "keywords": [
                 "csprng",
+                "polyfill",
                 "pseudorandom",
                 "random"
             ],
-            "time": "2017-09-27T21:40:39+00:00"
+            "time": "2018-07-02T15:55:56+00:00"
         },
         {
             "name": "psr/http-message",
@@ -287,16 +284,16 @@
         },
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             "name": "symfony/http-foundation",
-            "version": "v3.4.3",
+            "version": "v3.4.35",
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                 "url": "https://github.com/symfony/http-foundation.git",
-                "reference": "4a213be1cc8598089b8c7451529a2927b49b5d26"
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-                "reference": "4a213be1cc8598089b8c7451529a2927b49b5d26",
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             "require": {
@@ -337,20 +334,20 @@
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             "description": "Symfony HttpFoundation Component",
             "homepage": "https://symfony.com",
-            "time": "2018-01-03T17:14:19+00:00"
+            "time": "2019-11-11T12:53:10+00:00"
         },
         {
             "name": "symfony/polyfill-mbstring",
-            "version": "v1.6.0",
+            "version": "v1.13.1",
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                 "url": "https://github.com/symfony/polyfill-mbstring.git",
-                "reference": "2ec8b39c38cb16674bbf3fea2b6ce5bf117e1296"
+                "reference": "7b4aab9743c30be783b73de055d24a39cf4b954f"
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-                "reference": "2ec8b39c38cb16674bbf3fea2b6ce5bf117e1296",
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@@ -362,7 +359,7 @@
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+                    "dev-master": "1.13-dev"
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@@ -396,30 +393,30 @@
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                 "shim"
             ],
-            "time": "2017-10-11T12:05:26+00:00"
+            "time": "2019-11-27T14:18:11+00:00"
         },
         {
             "name": "symfony/polyfill-php70",
-            "version": "v1.6.0",
+            "version": "v1.13.1",
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                 "url": "https://github.com/symfony/polyfill-php70.git",
-                "reference": "0442b9c0596610bd24ae7b5f0a6cdbbc16d9fcff"
+                "reference": "af23c7bb26a73b850840823662dda371484926c4"
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-                "reference": "0442b9c0596610bd24ae7b5f0a6cdbbc16d9fcff",
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+                "reference": "af23c7bb26a73b850840823662dda371484926c4",
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             "require": {
-                "paragonie/random_compat": "~1.0|~2.0",
+                "paragonie/random_compat": "~1.0|~2.0|~9.99",
                 "php": ">=5.3.3"
             },
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "1.6-dev"
+                    "dev-master": "1.13-dev"
                 }
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             "autoload": {
@@ -455,7 +452,7 @@
                 "portable",
                 "shim"
             ],
-            "time": "2017-10-11T12:05:26+00:00"
+            "time": "2019-11-27T13:56:44+00:00"
         }
     ],
     "packages-dev": [
@@ -1161,6 +1158,7 @@
                 "mock",
                 "xunit"
             ],
+            "abandoned": true,
             "time": "2017-06-30T09:13:00+00:00"
         },
         {