diff --git a/composer.json b/composer.json
index 9f727edb1829..c167dc990fa1 100644
--- a/composer.json
+++ b/composer.json
@@ -6,7 +6,7 @@
   "type": "project",
   "require": {
     "php": ">=7.1.3",
-    "adldap2/adldap2": "^9.1",
+    "adldap2/adldap2": "^10.2",
     "bacon/bacon-qr-code": "^1.0",
     "doctrine/cache": "^1.6",
     "doctrine/common": "^2.7",
diff --git a/composer.lock b/composer.lock
index 88ad30b327a9..4801b7220cfe 100644
--- a/composer.lock
+++ b/composer.lock
@@ -1,35 +1,41 @@
 {
     "_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": "fac7e8b237f1d78fb4057766c2c47da5",
+    "content-hash": "e0baeee4d1348648b64d2f9663bcccec",
     "packages": [
         {
             "name": "adldap2/adldap2",
-            "version": "v9.1.4",
+            "version": "v10.2.3",
             "source": {
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                 "url": "https://github.com/Adldap2/Adldap2.git",
-                "reference": "e74bf7e3762b35e828179b11eb100da4a12ff701"
+                "reference": "2baffac2dfef308f0a94afa360b6a77540730fd2"
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-                "url": "https://api.github.com/repos/Adldap2/Adldap2/zipball/e74bf7e3762b35e828179b11eb100da4a12ff701",
-                "reference": "e74bf7e3762b35e828179b11eb100da4a12ff701",
+                "url": "https://api.github.com/repos/Adldap2/Adldap2/zipball/2baffac2dfef308f0a94afa360b6a77540730fd2",
+                "reference": "2baffac2dfef308f0a94afa360b6a77540730fd2",
                 "shasum": ""
             },
             "require": {
+                "ext-json": "*",
                 "ext-ldap": "*",
-                "illuminate/contracts": "~5.0",
+                "illuminate/contracts": "~5.0|~6.0|~7.0",
                 "php": ">=7.0",
-                "tightenco/collect": "~5.0"
+                "psr/log": "~1.0",
+                "psr/simple-cache": "~1.0",
+                "tightenco/collect": "~5.0|~6.0|~7.0"
             },
             "require-dev": {
                 "mockery/mockery": "~1.0",
                 "phpunit/phpunit": "~6.0"
             },
+            "suggest": {
+                "ext-fileinfo": "fileinfo is required when retrieving user encoded thumbnails"
+            },
             "type": "library",
             "autoload": {
                 "psr-4": {
@@ -57,7 +63,7 @@
                 "ldap",
                 "windows"
             ],
-            "time": "2018-12-06T15:03:32+00:00"
+            "time": "2020-03-08T23:04:47+00:00"
         },
         {
             "name": "aws/aws-sdk-php",
@@ -4562,6 +4568,11 @@
                 "MIT"
             ],
             "authors": [
+                {
+                    "name": "Ben Ramsey",
+                    "email": "ben@benramsey.com",
+                    "homepage": "https://benramsey.com"
+                },
                 {
                     "name": "Marijn Huizendveld",
                     "email": "marijn.huizendveld@gmail.com"
@@ -4569,11 +4580,6 @@
                 {
                     "name": "Thibaud Fabre",
                     "email": "thibaud@aztech.io"
-                },
-                {
-                    "name": "Ben Ramsey",
-                    "email": "ben@benramsey.com",
-                    "homepage": "https://benramsey.com"
                 }
             ],
             "description": "Formerly rhumsaa/uuid. A PHP 5.4+ library for generating RFC 4122 version 1, 3, 4, and 5 universally unique identifiers (UUID).",
@@ -5795,16 +5801,16 @@
         },
         {
             "name": "symfony/polyfill-mbstring",
-            "version": "v1.10.0",
+            "version": "v1.14.0",
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                 "url": "https://github.com/symfony/polyfill-mbstring.git",
-                "reference": "c79c051f5b3a46be09205c73b80b346e4153e494"
+                "reference": "34094cfa9abe1f0f14f48f490772db7a775559f2"
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-                "reference": "c79c051f5b3a46be09205c73b80b346e4153e494",
+                "url": "https://api.github.com/repos/symfony/polyfill-mbstring/zipball/34094cfa9abe1f0f14f48f490772db7a775559f2",
+                "reference": "34094cfa9abe1f0f14f48f490772db7a775559f2",
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@@ -5816,7 +5822,7 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "1.9-dev"
+                    "dev-master": "1.14-dev"
                 }
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             "autoload": {
@@ -5850,7 +5856,7 @@
                 "portable",
                 "shim"
             ],
-            "time": "2018-09-21T13:07:52+00:00"
+            "time": "2020-01-13T11:15:53+00:00"
         },
         {
             "name": "symfony/polyfill-php56",
@@ -5910,16 +5916,16 @@
         },
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             "name": "symfony/polyfill-php72",
-            "version": "v1.10.0",
+            "version": "v1.14.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/polyfill-php72.git",
-                "reference": "9050816e2ca34a8e916c3a0ae8b9c2fccf68b631"
+                "reference": "46ecacf4751dd0dc81e4f6bf01dbf9da1dc1dadf"
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-                "reference": "9050816e2ca34a8e916c3a0ae8b9c2fccf68b631",
+                "url": "https://api.github.com/repos/symfony/polyfill-php72/zipball/46ecacf4751dd0dc81e4f6bf01dbf9da1dc1dadf",
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@@ -5928,7 +5934,7 @@
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             "extra": {
                 "branch-alias": {
-                    "dev-master": "1.9-dev"
+                    "dev-master": "1.14-dev"
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@@ -5961,7 +5967,7 @@
                 "portable",
                 "shim"
             ],
-            "time": "2018-09-21T13:07:52+00:00"
+            "time": "2020-01-13T11:15:53+00:00"
         },
         {
             "name": "symfony/polyfill-util",
@@ -6277,16 +6283,16 @@
         },
         {
             "name": "symfony/var-dumper",
-            "version": "v4.2.1",
+            "version": "v4.4.5",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/var-dumper.git",
-                "reference": "db61258540350725f4beb6b84006e32398acd120"
+                "reference": "2572839911702b0405479410ea7a1334bfab0b96"
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-                "url": "https://api.github.com/repos/symfony/var-dumper/zipball/db61258540350725f4beb6b84006e32398acd120",
-                "reference": "db61258540350725f4beb6b84006e32398acd120",
+                "url": "https://api.github.com/repos/symfony/var-dumper/zipball/2572839911702b0405479410ea7a1334bfab0b96",
+                "reference": "2572839911702b0405479410ea7a1334bfab0b96",
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             "require": {
@@ -6300,8 +6306,9 @@
             },
             "require-dev": {
                 "ext-iconv": "*",
-                "symfony/process": "~3.4|~4.0",
-                "twig/twig": "~1.34|~2.4"
+                "symfony/console": "^3.4|^4.0|^5.0",
+                "symfony/process": "^4.4|^5.0",
+                "twig/twig": "^1.34|^2.4|^3.0"
             },
             "suggest": {
                 "ext-iconv": "To convert non-UTF-8 strings to UTF-8 (or symfony/polyfill-iconv in case ext-iconv cannot be used).",
@@ -6314,7 +6321,7 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "4.2-dev"
+                    "dev-master": "4.4-dev"
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             "autoload": {
@@ -6348,7 +6355,7 @@
                 "debug",
                 "dump"
             ],
-            "time": "2018-11-25T12:50:42+00:00"
+            "time": "2020-02-24T13:10:00+00:00"
         },
         {
             "name": "tecnickcom/tc-lib-barcode",
@@ -6505,25 +6512,25 @@
         },
         {
             "name": "tightenco/collect",
-            "version": "v5.7.16",
+            "version": "v7.0.5",
             "source": {
                 "type": "git",
                 "url": "https://github.com/tightenco/collect.git",
-                "reference": "52a7b56dc0a9d265dd5911dff433dedd3417dcc4"
+                "reference": "f59f2143c4f3211e3fb7a90a173bdd31919b2ebe"
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             "dist": {
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-                "reference": "52a7b56dc0a9d265dd5911dff433dedd3417dcc4",
+                "url": "https://api.github.com/repos/tightenco/collect/zipball/f59f2143c4f3211e3fb7a90a173bdd31919b2ebe",
+                "reference": "f59f2143c4f3211e3fb7a90a173bdd31919b2ebe",
                 "shasum": ""
             },
             "require": {
                 "php": "^7.1.3",
-                "symfony/var-dumper": ">=3.4 <5"
+                "symfony/var-dumper": "^3.4 || ^4.0 || ^5.0"
             },
             "require-dev": {
                 "mockery/mockery": "^1.0",
-                "nesbot/carbon": "^1.26.3",
+                "nesbot/carbon": "^2.23.0",
                 "phpunit/phpunit": "^7.0"
             },
             "type": "library",
@@ -6551,7 +6558,7 @@
                 "collection",
                 "laravel"
             ],
-            "time": "2018-12-07T15:32:04+00:00"
+            "time": "2020-03-05T22:36:07+00:00"
         },
         {
             "name": "tightenco/ziggy",
@@ -6923,6 +6930,7 @@
                 "psr",
                 "psr-7"
             ],
+            "abandoned": "laminas/laminas-diactoros",
             "time": "2018-09-05T19:29:37+00:00"
         }
     ],
@@ -7224,12 +7232,12 @@
             "version": "1.6.0",
             "source": {
                 "type": "git",
-                "url": "https://github.com/facebook/php-webdriver.git",
+                "url": "https://github.com/php-webdriver/php-webdriver-archive.git",
                 "reference": "bd8c740097eb9f2fc3735250fc1912bc811a954e"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/facebook/php-webdriver/zipball/bd8c740097eb9f2fc3735250fc1912bc811a954e",
+                "url": "https://api.github.com/repos/php-webdriver/php-webdriver-archive/zipball/bd8c740097eb9f2fc3735250fc1912bc811a954e",
                 "reference": "bd8c740097eb9f2fc3735250fc1912bc811a954e",
                 "shasum": ""
             },
@@ -7277,6 +7285,7 @@
                 "selenium",
                 "webdriver"
             ],
+            "abandoned": "php-webdriver/webdriver",
             "time": "2018-05-16T17:37:13+00:00"
         },
         {
@@ -7984,6 +7993,7 @@
                 "mock",
                 "xunit"
             ],
+            "abandoned": true,
             "time": "2018-05-29T13:54:20+00:00"
         },
         {