diff --git a/app/Http/Controllers/Oai/RequestController.php b/app/Http/Controllers/Oai/RequestController.php
index 759a980..329ee0a 100644
--- a/app/Http/Controllers/Oai/RequestController.php
+++ b/app/Http/Controllers/Oai/RequestController.php
@@ -13,7 +13,7 @@ use Illuminate\Database\Eloquent\ModelNotFoundException;
 use Illuminate\Http\Request;
 use Illuminate\Support\Facades\Log;
 use \Exception;
-// use Carbon\Carbon;
+// use Illuminate\Support\Carbon;
 use \Illuminate\Support\Carbon;
 
 class RequestController extends Controller
diff --git a/app/Http/Controllers/Publish/EditorController.php b/app/Http/Controllers/Publish/EditorController.php
index 9991c77..937599f 100644
--- a/app/Http/Controllers/Publish/EditorController.php
+++ b/app/Http/Controllers/Publish/EditorController.php
@@ -18,7 +18,7 @@ use App\Models\User;
 use App\Rules\RdrFilesize;
 use App\Rules\RdrFiletypes;
 // use Illuminate\View\View;
-use Carbon\Carbon;
+use Illuminate\Support\Carbon;
 use Illuminate\Http\RedirectResponse;
 use Illuminate\Http\Request;
 use Illuminate\Support\Facades\Auth;
diff --git a/app/Http/Controllers/Publish/ReviewController.php b/app/Http/Controllers/Publish/ReviewController.php
index 53f0276..102d40f 100644
--- a/app/Http/Controllers/Publish/ReviewController.php
+++ b/app/Http/Controllers/Publish/ReviewController.php
@@ -82,7 +82,7 @@ class ReviewController extends Controller
                             $fieldval = $fieldValue->{$property_name};
                             $value = $value . $fieldName . ": "  . $fieldval . "; ";
                         }
-                    } elseif ($fieldValue instanceof \Carbon\Carbon) {
+                    } elseif ($fieldValue instanceof \Illuminate\Support\Carbon) {
                         $value = $value . " Year " . $fieldValue->year;
                         $value = $value . " Month " . $fieldValue->month;
                         $value = $value . " Day " . $fieldValue->day;
diff --git a/app/Library/Util/SearchResultMatch.php b/app/Library/Util/SearchResultMatch.php
index 581da6e..813cf7e 100644
--- a/app/Library/Util/SearchResultMatch.php
+++ b/app/Library/Util/SearchResultMatch.php
@@ -1,7 +1,7 @@
 <?php
 namespace App\Library\Util;
 
-use Carbon\Carbon;
+use Illuminate\Support\Carbon;
 
 /**
  * Describes local document as a match in context of a related search query.
diff --git a/app/Library/Xml/DatasetExtension.php b/app/Library/Xml/DatasetExtension.php
index 22ca685..c8a4b40 100644
--- a/app/Library/Xml/DatasetExtension.php
+++ b/app/Library/Xml/DatasetExtension.php
@@ -234,7 +234,7 @@ trait DatasetExtension
                     if (true === empty($fieldval)) {
                         $fieldval = null;
                     } else {
-                        $fieldval = new \Carbon\Carbon($fieldval);
+                        $fieldval = new \Illuminate\Support\Carbon($fieldval);
                     }
                 }
 
diff --git a/app/Library/Xml/Strategy.php b/app/Library/Xml/Strategy.php
index 624cac5..0846b41 100644
--- a/app/Library/Xml/Strategy.php
+++ b/app/Library/Xml/Strategy.php
@@ -157,7 +157,7 @@ class Strategy
 
                 if ($value instanceof \Illuminate\Database\Eloquent\Model) {
                     $this->_mapModelAttributes($value, $dom, $childNode);
-                } elseif ($value instanceof \Carbon\Carbon) {
+                } elseif ($value instanceof \Illuminate\Support\Carbon) {
                     $this->_mapDateAttributes($value, $dom, $childNode);
                 } elseif (is_array($value)) {
                     $this->_mapArrayAttributes($value, $dom, $childNode);
@@ -181,7 +181,7 @@ class Strategy
         return $dom->createElement($fieldName);
     }
 
-    protected function _mapDateAttributes(\Carbon\Carbon $model, DOMDocument $dom, \DOMNode $rootNode)
+    protected function _mapDateAttributes(\Illuminate\Support\Carbon $model, DOMDocument $dom, \DOMNode $rootNode)
     {
         $rootNode->setAttribute("Year", $model->year);
         $rootNode->setAttribute("Month", $model->month);
diff --git a/app/Models/Dataset.php b/app/Models/Dataset.php
index 7926acf..4272ed7 100644
--- a/app/Models/Dataset.php
+++ b/app/Models/Dataset.php
@@ -15,7 +15,7 @@ use App\Models\Title;
 use App\Models\User;
 use App\Models\XmlCache;
 use App\Models\DatasetIdentifier;
-use Carbon\Carbon;
+use Illuminate\Support\Carbon;
 // use App\Models\GeolocationBox;
 use Illuminate\Database\Eloquent\Model;
 
diff --git a/app/Rules/RdrFilesize.php b/app/Rules/RdrFilesize.php
index 4d0ad75..4d710fa 100644
--- a/app/Rules/RdrFilesize.php
+++ b/app/Rules/RdrFilesize.php
@@ -2,6 +2,7 @@
 
 namespace App\Rules;
 
+use Illuminate\Support\Arr;
 use Illuminate\Contracts\Validation\Rule;
 use Illuminate\Support\Facades\Config;
 
@@ -102,7 +103,7 @@ class RdrFilesize implements Rule
     private function getSize($attribute, $value)
     {
         if (is_numeric($value) && $hasNumeric) {
-            return array_get($this->data, $attribute);
+            return Arr::get($this->data, $attribute);
         } elseif (is_array($value)) {
             return count($value);
         } elseif ($value instanceof File) {
diff --git a/database/seeders/CollectionsTableSeeder.php b/database/seeders/CollectionsTableSeeder.php
index 1c2332a..65bb26b 100644
--- a/database/seeders/CollectionsTableSeeder.php
+++ b/database/seeders/CollectionsTableSeeder.php
@@ -2,7 +2,7 @@
 
 namespace Database\Seeders;
 
-// use Carbon\Carbon;
+// use Illuminate\Support\Carbon;
 use Illuminate\Database\Seeder;
 use Illuminate\Support\Facades\DB;
 
diff --git a/database/seeders/LanguagesTableSeeder.php b/database/seeders/LanguagesTableSeeder.php
index 686bb81..ba3fca1 100644
--- a/database/seeders/LanguagesTableSeeder.php
+++ b/database/seeders/LanguagesTableSeeder.php
@@ -2,7 +2,7 @@
 
 namespace Database\Seeders;
 
-// use Carbon\Carbon;
+// use Illuminate\Support\Carbon;
 // use Database\DisableForeignKeys;
 // use Database\TruncateTable;
 use Illuminate\Database\Seeder;
diff --git a/database/seeders/MessagesTableSeeder.php b/database/seeders/MessagesTableSeeder.php
index 881f81f..81e16af 100644
--- a/database/seeders/MessagesTableSeeder.php
+++ b/database/seeders/MessagesTableSeeder.php
@@ -2,7 +2,7 @@
 
 namespace Database\Seeders;
 
-use Carbon\Carbon;
+use Illuminate\Support\Carbon;
 // use Database\DisableForeignKeys;
 use Illuminate\Database\Seeder;
 use Illuminate\Support\Facades\DB;
diff --git a/database/seeders/MimetypeTableSeeder.php b/database/seeders/MimetypeTableSeeder.php
index cbe1f1c..7c9b0fc 100644
--- a/database/seeders/MimetypeTableSeeder.php
+++ b/database/seeders/MimetypeTableSeeder.php
@@ -2,7 +2,7 @@
 
 namespace Database\Seeders;
 
-use Carbon\Carbon;
+use Illuminate\Support\Carbon;
 use Illuminate\Database\Seeder;
 use Illuminate\Support\Facades\DB;
 
diff --git a/database/seeders/ProjectsTableSeeder.php b/database/seeders/ProjectsTableSeeder.php
index 0b29150..4566169 100644
--- a/database/seeders/ProjectsTableSeeder.php
+++ b/database/seeders/ProjectsTableSeeder.php
@@ -2,7 +2,7 @@
 
 namespace Database\Seeders;
 
-use Carbon\Carbon;
+use Illuminate\Support\Carbon;
 use Illuminate\Database\Seeder;
 use Illuminate\Support\Facades\DB;
 
diff --git a/database/seeders/RolesTableSeeder.php b/database/seeders/RolesTableSeeder.php
index 512fed6..991ff41 100644
--- a/database/seeders/RolesTableSeeder.php
+++ b/database/seeders/RolesTableSeeder.php
@@ -2,7 +2,7 @@
 
 namespace Database\Seeders;
 
-use Carbon\Carbon;
+use Illuminate\Support\Carbon;
 // use Database\DisableForeignKeys;
 use Illuminate\Database\Seeder;
 use Illuminate\Support\Facades\DB;
diff --git a/resources/views/settings/document/_form.blade.php b/resources/views/settings/document/_form.blade.php
index 69b01d9..d632bb5 100644
--- a/resources/views/settings/document/_form.blade.php
+++ b/resources/views/settings/document/_form.blade.php
@@ -93,7 +93,7 @@
 
     {{-- <div class="form-group">
 	{!! Form::label('licenses[]', 'Licenses..') !!}
-	{!! Form::select('licenses[]', $options, array_pluck($document->licenses, 'id'), ['multiple' ]) !!}
+	{!! Form::select('licenses[]', $options, Arr::pluck($document->licenses, 'id'), ['multiple' ]) !!}
     </div> --}}
 
     <div class="pure-control-group checkboxlist">
diff --git a/resources/views/workflow/review/index.blade.php b/resources/views/workflow/review/index.blade.php
index ff10199..bb8bcfd 100644
--- a/resources/views/workflow/review/index.blade.php
+++ b/resources/views/workflow/review/index.blade.php
@@ -48,7 +48,7 @@
                    <td>
                         {{-- @php                       
                         $dateDiff = $dataset['server_date_modified']->addDays(14);
-                        $remainingDays = Carbon\Carbon::now()->diffInDays($dateDiff, false);
+                        $remainingDays = Illuminate\Support\Carbon::now()->diffInDays($dateDiff, false);
                         @endphp --}}
 
                         {{  $dataset->remaining_time . ' days' }}