diff --git a/php/composer.lock b/php/composer.lock
index eb6d349ae1..9315815bb5 100644
--- a/php/composer.lock
+++ b/php/composer.lock
@@ -1,11 +1,10 @@
 {
     "_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"
     ],
-    "hash": "71244dc65bada2bbb3c653efd0e1b439",
-    "content-hash": "ab16d911366f401bd259674d8e35e7c9",
+    "content-hash": "cbf69b9635fd481c78463f4825730c2e",
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@@ -61,7 +60,7 @@
                 "elfinder",
                 "filesystem"
             ],
-            "time": "2016-04-05 14:47:48"
+            "time": "2016-04-05T14:47:48+00:00"
         },
         {
             "name": "firebase/php-jwt",
@@ -104,7 +103,7 @@
             ],
             "description": "A simple library to encode and decode JSON Web Tokens (JWT) in PHP. Should conform to the current spec.",
             "homepage": "https://github.com/firebase/php-jwt",
-            "time": "2016-07-18 04:51:16"
+            "time": "2016-07-18T04:51:16+00:00"
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             "name": "google/apiclient",
@@ -163,7 +162,7 @@
             "keywords": [
                 "google"
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-            "time": "2017-03-22 18:32:04"
+            "time": "2017-03-22T18:32:04+00:00"
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@@ -200,7 +199,7 @@
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                 "google"
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-            "time": "2017-03-13 17:40:44"
+            "time": "2017-03-13T17:40:44+00:00"
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             "name": "google/auth",
@@ -248,45 +247,50 @@
                 "google",
                 "oauth2"
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-            "time": "2016-11-02 14:59:14"
+            "time": "2016-11-02T14:59:14+00:00"
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-                "guzzlehttp/psr7": "^1.4",
-                "php": ">=5.5"
+                "guzzlehttp/psr7": "^1.6.1",
+                "php": ">=5.5",
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             "require-dev": {
                 "ext-curl": "*",
-                "phpunit/phpunit": "^4.0",
-                "psr/log": "^1.0"
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+                "psr/log": "^1.1"
+            },
+            "suggest": {
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-                    "src/functions_include.php"
-                ],
                 "psr-4": {
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-                }
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+                ]
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@@ -310,27 +314,31 @@
                 "rest",
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-            "time": "2017-02-28 22:50:30"
+            "support": {
+                "issues": "https://github.com/guzzle/guzzle/issues",
+                "source": "https://github.com/guzzle/guzzle/tree/6.5"
+            },
+            "time": "2020-06-16T21:01:06+00:00"
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+                "php": ">=5.5"
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-                "phpunit/phpunit": "^4.0"
+                "symfony/phpunit-bridge": "^4.4 || ^5.1"
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@@ -361,36 +369,45 @@
             "keywords": [
                 "promise"
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-            "time": "2016-12-20 10:07:11"
+            "support": {
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+                "source": "https://github.com/guzzle/promises/tree/1.4.1"
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-                "psr/http-message": "~1.0"
+                "psr/http-message": "~1.0",
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+                "ext-zlib": "*",
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@@ -420,13 +437,18 @@
             "keywords": [
                 "http",
                 "message",
+                "psr-7",
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                 "url"
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-            "time": "2017-03-20 17:10:46"
+            "support": {
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             "name": "intervention/image",
@@ -488,7 +510,59 @@
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                 "watermark"
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-            "time": "2017-04-23 18:45:36"
+            "time": "2017-04-23T18:45:36+00:00"
+        },
+        {
+            "name": "kunalvarma05/dropbox-php-sdk",
+            "version": "v0.2.1",
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+                "url": "https://github.com/kunalvarma05/dropbox-php-sdk.git",
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+            "require-dev": {
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+            },
+            "type": "library",
+            "autoload": {
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+                    "Kunnu\\Dropbox\\": "src/Dropbox"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
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+                {
+                    "name": "Kunal Varma",
+                    "email": "kunalvarma05@gmail.com"
+                }
+            ],
+            "description": "Dropbox PHP API V2 SDK (Unofficial)",
+            "keywords": [
+                "api",
+                "client",
+                "dropbox",
+                "php",
+                "sdk",
+                "unofficial"
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+                "source": "https://github.com/kunalvarma05/dropbox-php-sdk/tree/master"
+            },
+            "time": "2017-06-26T09:37:16+00:00"
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             "name": "league/flysystem",
@@ -571,7 +645,7 @@
                 "sftp",
                 "storage"
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-            "time": "2017-04-28 10:15:08"
+            "time": "2017-04-28T10:15:08+00:00"
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@@ -619,7 +693,7 @@
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+            "time": "2017-03-20T09:59:34+00:00"
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             "name": "monolog/monolog",
@@ -697,7 +771,7 @@
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                 "psr-3"
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+            "time": "2017-03-13T07:08:03+00:00"
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             "name": "nao-pon/elfinder-flysystem-driver-ext",
@@ -742,7 +816,7 @@
                 "elfinder",
                 "filesystem"
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-            "time": "2016-09-23 02:58:28"
+            "time": "2016-09-23T02:58:28+00:00"
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@@ -783,7 +857,7 @@
                 }
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             "description": "Extra traits for Flysystem cached adapter",
-            "time": "2016-03-21 08:19:52"
+            "time": "2016-03-21T08:19:52+00:00"
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@@ -832,7 +906,7 @@
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-            "time": "2017-04-07 05:10:20"
+            "time": "2017-04-07T05:10:20+00:00"
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@@ -924,7 +998,7 @@
                 "x.509",
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-            "time": "2017-06-05 06:31:10"
+            "time": "2017-06-05T06:31:10+00:00"
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@@ -970,7 +1044,7 @@
                 "psr",
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-            "time": "2016-08-06 20:24:11"
+            "time": "2016-08-06T20:24:11+00:00"
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             "name": "psr/http-message",
@@ -1020,7 +1094,10 @@
                 "request",
                 "response"
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-            "time": "2016-08-06 14:39:51"
+            "support": {
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@@ -1067,20 +1144,64 @@
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-            "time": "2016-10-10 12:19:37"
+            "time": "2016-10-10T12:19:37+00:00"
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+                    "email": "ralph.khattar@gmail.com"
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+                "source": "https://github.com/ralouphie/getallheaders/tree/develop"
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+            "time": "2019-03-08T08:55:37+00:00"
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-            "version": "2.1.24",
+            "version": "2.1.59",
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@@ -1115,7 +1236,7 @@
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-                    "email": "hypweb@gmail.com",
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@@ -1125,7 +1246,564 @@
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-            "time": "2017-05-19 06:16:48"
+            "support": {
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     "packages-dev": [],
@@ -1135,5 +1813,6 @@
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     "platform": [],
-    "platform-dev": []
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