diff --git a/.ci/php-cs-fixer/composer.lock b/.ci/php-cs-fixer/composer.lock
index c53b0f49a2..dfef664a59 100644
--- a/.ci/php-cs-fixer/composer.lock
+++ b/.ci/php-cs-fixer/composer.lock
@@ -226,16 +226,16 @@
         },
         {
             "name": "friendsofphp/php-cs-fixer",
-            "version": "v3.50.0",
+            "version": "v3.51.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/PHP-CS-Fixer/PHP-CS-Fixer.git",
-                "reference": "dbea11dcb6d9a1f6c8d51c0e580ab4a8876f524c"
+                "reference": "127fa74f010da99053e3f5b62672615b72dd6efd"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/PHP-CS-Fixer/PHP-CS-Fixer/zipball/dbea11dcb6d9a1f6c8d51c0e580ab4a8876f524c",
-                "reference": "dbea11dcb6d9a1f6c8d51c0e580ab4a8876f524c",
+                "url": "https://api.github.com/repos/PHP-CS-Fixer/PHP-CS-Fixer/zipball/127fa74f010da99053e3f5b62672615b72dd6efd",
+                "reference": "127fa74f010da99053e3f5b62672615b72dd6efd",
                 "shasum": ""
             },
             "require": {
@@ -306,7 +306,7 @@
             ],
             "support": {
                 "issues": "https://github.com/PHP-CS-Fixer/PHP-CS-Fixer/issues",
-                "source": "https://github.com/PHP-CS-Fixer/PHP-CS-Fixer/tree/v3.50.0"
+                "source": "https://github.com/PHP-CS-Fixer/PHP-CS-Fixer/tree/v3.51.0"
             },
             "funding": [
                 {
@@ -314,7 +314,7 @@
                     "type": "github"
                 }
             ],
-            "time": "2024-02-23T23:17:45+00:00"
+            "time": "2024-02-28T19:50:06+00:00"
         },
         {
             "name": "psr/container",
@@ -538,16 +538,16 @@
         },
         {
             "name": "symfony/console",
-            "version": "v7.0.3",
+            "version": "v7.0.4",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/console.git",
-                "reference": "c5010d50f1ee4b25cfa0201d9915cf1b14071456"
+                "reference": "6b099f3306f7c9c2d2786ed736d0026b2903205f"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/console/zipball/c5010d50f1ee4b25cfa0201d9915cf1b14071456",
-                "reference": "c5010d50f1ee4b25cfa0201d9915cf1b14071456",
+                "url": "https://api.github.com/repos/symfony/console/zipball/6b099f3306f7c9c2d2786ed736d0026b2903205f",
+                "reference": "6b099f3306f7c9c2d2786ed736d0026b2903205f",
                 "shasum": ""
             },
             "require": {
@@ -611,7 +611,7 @@
                 "terminal"
             ],
             "support": {
-                "source": "https://github.com/symfony/console/tree/v7.0.3"
+                "source": "https://github.com/symfony/console/tree/v7.0.4"
             },
             "funding": [
                 {
@@ -627,7 +627,7 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2024-01-23T15:02:46+00:00"
+            "time": "2024-02-22T20:27:20+00:00"
         },
         {
             "name": "symfony/deprecation-contracts",
@@ -1522,16 +1522,16 @@
         },
         {
             "name": "symfony/process",
-            "version": "v7.0.3",
+            "version": "v7.0.4",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/process.git",
-                "reference": "937a195147e0c27b2759ade834169ed006d0bc74"
+                "reference": "0e7727191c3b71ebec6d529fa0e50a01ca5679e9"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/process/zipball/937a195147e0c27b2759ade834169ed006d0bc74",
-                "reference": "937a195147e0c27b2759ade834169ed006d0bc74",
+                "url": "https://api.github.com/repos/symfony/process/zipball/0e7727191c3b71ebec6d529fa0e50a01ca5679e9",
+                "reference": "0e7727191c3b71ebec6d529fa0e50a01ca5679e9",
                 "shasum": ""
             },
             "require": {
@@ -1563,7 +1563,7 @@
             "description": "Executes commands in sub-processes",
             "homepage": "https://symfony.com",
             "support": {
-                "source": "https://github.com/symfony/process/tree/v7.0.3"
+                "source": "https://github.com/symfony/process/tree/v7.0.4"
             },
             "funding": [
                 {
@@ -1579,7 +1579,7 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2024-01-23T15:02:46+00:00"
+            "time": "2024-02-22T20:27:20+00:00"
         },
         {
             "name": "symfony/service-contracts",
@@ -1727,16 +1727,16 @@
         },
         {
             "name": "symfony/string",
-            "version": "v7.0.3",
+            "version": "v7.0.4",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/string.git",
-                "reference": "524aac4a280b90a4420d8d6a040718d0586505ac"
+                "reference": "f5832521b998b0bec40bee688ad5de98d4cf111b"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/string/zipball/524aac4a280b90a4420d8d6a040718d0586505ac",
-                "reference": "524aac4a280b90a4420d8d6a040718d0586505ac",
+                "url": "https://api.github.com/repos/symfony/string/zipball/f5832521b998b0bec40bee688ad5de98d4cf111b",
+                "reference": "f5832521b998b0bec40bee688ad5de98d4cf111b",
                 "shasum": ""
             },
             "require": {
@@ -1793,7 +1793,7 @@
                 "utf8"
             ],
             "support": {
-                "source": "https://github.com/symfony/string/tree/v7.0.3"
+                "source": "https://github.com/symfony/string/tree/v7.0.4"
             },
             "funding": [
                 {
@@ -1809,7 +1809,7 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2024-01-29T15:41:16+00:00"
+            "time": "2024-02-01T13:17:36+00:00"
         }
     ],
     "packages-dev": [],
diff --git a/app/Http/Controllers/Budget/IndexController.php b/app/Http/Controllers/Budget/IndexController.php
index 1dbde9dd81..787cd0c2c2 100644
--- a/app/Http/Controllers/Budget/IndexController.php
+++ b/app/Http/Controllers/Budget/IndexController.php
@@ -116,7 +116,6 @@ class IndexController extends Controller
 
         // get all available budgets:
         $availableBudgets = $this->getAllAvailableBudgets($start, $end);
-
         // get all active budgets:
         $budgets          = $this->getAllBudgets($start, $end, $currencies, $defaultCurrency);
         $sums             = $this->getSums($budgets);
diff --git a/app/Repositories/Budget/AvailableBudgetRepository.php b/app/Repositories/Budget/AvailableBudgetRepository.php
index cbae17a9d1..23dd5ad3e6 100644
--- a/app/Repositories/Budget/AvailableBudgetRepository.php
+++ b/app/Repositories/Budget/AvailableBudgetRepository.php
@@ -66,8 +66,8 @@ class AvailableBudgetRepository implements AvailableBudgetRepositoryInterface
         if (null !== $start && null !== $end) {
             $query->where(
                 static function (Builder $q1) use ($start, $end): void { // @phpstan-ignore-line
-                    $q1->where('start_date', '=', $start);
-                    $q1->where('end_date', '=', $end);
+                    $q1->where('start_date', '=', $start->format('Y-m-d'));
+                    $q1->where('end_date', '=', $end->format('Y-m-d'));
                 }
             );
         }
@@ -201,8 +201,8 @@ class AvailableBudgetRepository implements AvailableBudgetRepositoryInterface
             $availableBudget             = new AvailableBudget();
             $availableBudget->user()->associate($this->user);
             $availableBudget->transactionCurrency()->associate($currency);
-            $availableBudget->start_date = $start->startOfDay();
-            $availableBudget->end_date   = $end->endOfDay();
+            $availableBudget->start_date = $start->startOfDay()->format('Y-m-d');
+            $availableBudget->end_date   = $end->endOfDay()->format('Y-m-d');
         }
         $availableBudget->amount = $amount;
         $availableBudget->save();
@@ -234,8 +234,8 @@ class AvailableBudgetRepository implements AvailableBudgetRepositoryInterface
                 'user_group_id'           => $this->user->user_group_id,
                 'transaction_currency_id' => $data['currency_id'],
                 'amount'                  => $data['amount'],
-                'start_date'              => $start,
-                'end_date'                => $end,
+                'start_date'              => $start->format('Y-m-d'),
+                'end_date'                => $end->format('Y-m-d'),
             ]
         );
     }
@@ -256,7 +256,7 @@ class AvailableBudgetRepository implements AvailableBudgetRepositoryInterface
             $start = $data['start'];
             if ($start instanceof Carbon) {
                 $start                       = $data['start']->startOfDay();
-                $availableBudget->start_date = $start;
+                $availableBudget->start_date = $start->format('Y-m-d');
                 $availableBudget->save();
             }
         }
@@ -265,7 +265,7 @@ class AvailableBudgetRepository implements AvailableBudgetRepositoryInterface
             $end = $data['end'];
             if ($end instanceof Carbon) {
                 $end                       = $data['end']->endOfDay();
-                $availableBudget->end_date = $end;
+                $availableBudget->end_date = $end->format('Y-m-d');
                 $availableBudget->save();
             }
         }