diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 8efe890e..7bd2c948 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -20,7 +20,7 @@ jobs:
       - name: Set up PHP
         uses: shivammathur/setup-php@v2
         with:
-          php-version: '8.1'
+          php-version: '8.2'
       - name: Install Composer dependencies
         run: composer install --no-interaction
       - name: Run PHPCS
@@ -40,7 +40,7 @@ jobs:
       - name: Set up PHP
         uses: shivammathur/setup-php@v2
         with:
-          php-version: '8.1'
+          php-version: '8.2'
       - uses: actions/setup-node@v3
         with:
           node-version: 18
diff --git a/README.md b/README.md
index af3f31f6..945303d9 100644
--- a/README.md
+++ b/README.md
@@ -24,7 +24,7 @@ You can use Budget by hosting it yourself, or using [the instance hosted by us](
 
 ## Requirements
 
-* PHP 8.1 or higher
+* PHP 8.2 or higher
 * HTTP server (for example Apache or NGINX)
 * MySQL
 * Composer
diff --git a/app/Http/Controllers/Api/RecurringController.php b/app/Http/Controllers/Api/RecurringController.php
index f0b37d87..2a0d1ddc 100644
--- a/app/Http/Controllers/Api/RecurringController.php
+++ b/app/Http/Controllers/Api/RecurringController.php
@@ -33,7 +33,7 @@ public function store(Request $request)
             'space_id' => $space->id,
             'type' => $request->input('type'),
             'interval' => $request->input('interval'),
-            'day' => (int) ltrim($request->input('day'), 0),
+            'day' => (int) ltrim((string) $request->input('day'), 0),
             'starts_on' => $request->input('start'),
             'ends_on' => $request->input('end'),
             'tag_id' => $request->input('tag_id'),
diff --git a/app/Http/Controllers/AttachmentController.php b/app/Http/Controllers/AttachmentController.php
index 9f1e992c..3c54aefa 100644
--- a/app/Http/Controllers/AttachmentController.php
+++ b/app/Http/Controllers/AttachmentController.php
@@ -10,11 +10,8 @@
 
 class AttachmentController extends Controller
 {
-    private $attachmentRepository;
-
-    public function __construct(AttachmentRepository $attachmentRepository)
+    public function __construct(private readonly AttachmentRepository $attachmentRepository)
     {
-        $this->attachmentRepository = $attachmentRepository;
     }
 
     public function store(Request $request)
diff --git a/app/Http/Controllers/BudgetController.php b/app/Http/Controllers/BudgetController.php
index d169827d..01c0e550 100644
--- a/app/Http/Controllers/BudgetController.php
+++ b/app/Http/Controllers/BudgetController.php
@@ -12,13 +12,8 @@
 
 class BudgetController extends Controller
 {
-    private $budgetRepository;
-    private $tagRepository;
-
-    public function __construct(BudgetRepository $budgetRepository, TagRepository $tagRepository)
+    public function __construct(private readonly BudgetRepository $budgetRepository, private readonly TagRepository $tagRepository)
     {
-        $this->budgetRepository = $budgetRepository;
-        $this->tagRepository = $tagRepository;
     }
 
     public function index()
diff --git a/app/Http/Controllers/DashboardController.php b/app/Http/Controllers/DashboardController.php
index 5d2d69d7..98017767 100644
--- a/app/Http/Controllers/DashboardController.php
+++ b/app/Http/Controllers/DashboardController.php
@@ -8,13 +8,8 @@
 
 class DashboardController extends Controller
 {
-    private $dashboardRepository;
-    private $tagRepository;
-
-    public function __construct(DashboardRepository $dashboardRepository, TagRepository $tagRepository)
+    public function __construct(private readonly DashboardRepository $dashboardRepository, private readonly TagRepository $tagRepository)
     {
-        $this->dashboardRepository = $dashboardRepository;
-        $this->tagRepository = $tagRepository;
     }
 
     public function __invoke(Request $request)
diff --git a/app/Http/Controllers/EarningController.php b/app/Http/Controllers/EarningController.php
index 09ead9dd..da1cc891 100644
--- a/app/Http/Controllers/EarningController.php
+++ b/app/Http/Controllers/EarningController.php
@@ -11,15 +11,8 @@
 
 class EarningController extends Controller
 {
-    private $earningRepository;
-    private $conversionRateRepository;
-
-    public function __construct(
-        EarningRepository $earningRepository,
-        ConversionRateRepository $conversionRateRepository
-    ) {
-        $this->earningRepository = $earningRepository;
-        $this->conversionRateRepository = $conversionRateRepository;
+    public function __construct(private readonly EarningRepository $earningRepository, private readonly ConversionRateRepository $conversionRateRepository)
+    {
     }
 
     public function show(Request $request, Earning $earning)
diff --git a/app/Http/Controllers/ImportController.php b/app/Http/Controllers/ImportController.php
index e2579680..f31f6564 100644
--- a/app/Http/Controllers/ImportController.php
+++ b/app/Http/Controllers/ImportController.php
@@ -11,11 +11,8 @@
 
 class ImportController extends Controller
 {
-    private $spendingRepository;
-
-    public function __construct(SpendingRepository $spendingRepository)
+    public function __construct(private readonly SpendingRepository $spendingRepository)
     {
-        $this->spendingRepository = $spendingRepository;
     }
 
     public function index()
diff --git a/app/Http/Controllers/LoginController.php b/app/Http/Controllers/LoginController.php
index 9461ca3e..32f2416d 100644
--- a/app/Http/Controllers/LoginController.php
+++ b/app/Http/Controllers/LoginController.php
@@ -10,11 +10,8 @@
 
 class LoginController extends Controller
 {
-    private $loginAttemptRepository;
-
-    public function __construct(LoginAttemptRepository $loginAttemptRepository)
+    public function __construct(private readonly LoginAttemptRepository $loginAttemptRepository)
     {
-        $this->loginAttemptRepository = $loginAttemptRepository;
     }
 
     public function index()
diff --git a/app/Http/Controllers/RecurringController.php b/app/Http/Controllers/RecurringController.php
index 161a09aa..110ac944 100644
--- a/app/Http/Controllers/RecurringController.php
+++ b/app/Http/Controllers/RecurringController.php
@@ -11,11 +11,8 @@
 
 class RecurringController extends Controller
 {
-    private $recurringRepository;
-
-    public function __construct(RecurringRepository $recurringRepository)
+    public function __construct(private readonly RecurringRepository $recurringRepository)
     {
-        $this->recurringRepository = $recurringRepository;
     }
 
     public function index()
@@ -54,7 +51,7 @@ public function store(Request $request)
             session('space_id'),
             $request->type,
             $request->interval,
-            (int) ltrim($request->input('day'), 0),
+            (int) ltrim((string) $request->input('day'), 0),
             $request->start,
             $request->input('end', null),
             $request->input('tag', null),
diff --git a/app/Http/Controllers/RegisterController.php b/app/Http/Controllers/RegisterController.php
index d6d39bf4..ca5e343b 100644
--- a/app/Http/Controllers/RegisterController.php
+++ b/app/Http/Controllers/RegisterController.php
@@ -16,15 +16,8 @@
 
 class RegisterController extends Controller
 {
-    private $spaceRepository;
-    private $loginAttemptRepository;
-
-    public function __construct(
-        SpaceRepository $spaceRepository,
-        LoginAttemptRepository $loginAttemptRepository
-    ) {
-        $this->spaceRepository = $spaceRepository;
-        $this->loginAttemptRepository = $loginAttemptRepository;
+    public function __construct(private readonly SpaceRepository $spaceRepository, private readonly LoginAttemptRepository $loginAttemptRepository)
+    {
     }
 
     public function index()
diff --git a/app/Http/Controllers/ReportController.php b/app/Http/Controllers/ReportController.php
index fad9632b..8d8d54cf 100644
--- a/app/Http/Controllers/ReportController.php
+++ b/app/Http/Controllers/ReportController.php
@@ -9,13 +9,8 @@
 
 class ReportController extends Controller
 {
-    private $transactionRepository;
-    private $tagRepository;
-
-    public function __construct(TransactionRepository $transactionRepository, TagRepository $tagRepository)
+    public function __construct(private readonly TransactionRepository $transactionRepository, private readonly TagRepository $tagRepository)
     {
-        $this->transactionRepository = $transactionRepository;
-        $this->tagRepository = $tagRepository;
     }
 
     public function index()
diff --git a/app/Http/Controllers/ResendVerificationMailController.php b/app/Http/Controllers/ResendVerificationMailController.php
index 00430561..32592820 100644
--- a/app/Http/Controllers/ResendVerificationMailController.php
+++ b/app/Http/Controllers/ResendVerificationMailController.php
@@ -16,9 +16,9 @@ public function __invoke(Request $request)
             (new SendVerificationMailAction())->execute(Auth::user()->id);
 
             $request->session()->flash('verification_mail_status', 'success');
-        } catch (UserAlreadyVerifiedException $e) {
+        } catch (UserAlreadyVerifiedException) {
             $request->session()->flash('verification_mail_status', 'already_verified');
-        } catch (VerificationMailRateLimitException $e) {
+        } catch (VerificationMailRateLimitException) {
             $request->session()->flash('verification_mail_status', 'rate_limited');
         }
 
diff --git a/app/Http/Controllers/ResetPasswordController.php b/app/Http/Controllers/ResetPasswordController.php
index cb673a3c..67d749ae 100644
--- a/app/Http/Controllers/ResetPasswordController.php
+++ b/app/Http/Controllers/ResetPasswordController.php
@@ -12,11 +12,8 @@
 
 class ResetPasswordController extends Controller
 {
-    private $passwordResetRepository;
-
-    public function __construct(PasswordResetRepository $passwordResetRepository)
+    public function __construct(private readonly PasswordResetRepository $passwordResetRepository)
     {
-        $this->passwordResetRepository = $passwordResetRepository;
     }
 
     public function get(Request $request)
diff --git a/app/Http/Controllers/SpaceController.php b/app/Http/Controllers/SpaceController.php
index f2838551..252be2cd 100644
--- a/app/Http/Controllers/SpaceController.php
+++ b/app/Http/Controllers/SpaceController.php
@@ -95,11 +95,11 @@ public function invite(Request $request, Space $space)
                 $authenticatedUser->id,
                 $request->role
             );
-        } catch (SpaceInviteInviteeAlreadyPresentException $e) {
+        } catch (SpaceInviteInviteeAlreadyPresentException) {
             return redirect()
                 ->route('spaces.edit', ['space' => $space->id])
                 ->with('inviteStatus', 'present');
-        } catch (SpaceInviteAlreadyExistsException $e) {
+        } catch (SpaceInviteAlreadyExistsException) {
             return redirect()
                 ->route('spaces.edit', ['space' => $space->id])
                 ->with('inviteStatus', 'exists');
diff --git a/app/Http/Controllers/SpendingController.php b/app/Http/Controllers/SpendingController.php
index 8045a12e..4404d93e 100644
--- a/app/Http/Controllers/SpendingController.php
+++ b/app/Http/Controllers/SpendingController.php
@@ -12,15 +12,8 @@
 
 class SpendingController extends Controller
 {
-    private $spendingRepository;
-    private $conversionRateRepository;
-
-    public function __construct(
-        SpendingRepository $spendingRepository,
-        ConversionRateRepository $conversionRateRepository
-    ) {
-        $this->spendingRepository = $spendingRepository;
-        $this->conversionRateRepository = $conversionRateRepository;
+    public function __construct(private readonly SpendingRepository $spendingRepository, private readonly ConversionRateRepository $conversionRateRepository)
+    {
     }
 
     public function create()
@@ -60,7 +53,6 @@ public function store(Request $request)
         $this->spendingRepository->create(
             session('space_id'),
             null,
-            null,
             $request->input('tag_id'),
             $request->input('date'),
             $request->input('description'),
diff --git a/app/Http/Controllers/TagController.php b/app/Http/Controllers/TagController.php
index cf21f37a..0a3b9c7f 100644
--- a/app/Http/Controllers/TagController.php
+++ b/app/Http/Controllers/TagController.php
@@ -8,11 +8,8 @@
 
 class TagController extends Controller
 {
-    private $tagRepository;
-
-    public function __construct(TagRepository $tagRepository)
+    public function __construct(private readonly TagRepository $tagRepository)
     {
-        $this->tagRepository = $tagRepository;
     }
 
     public function index()
diff --git a/app/Http/Controllers/TransactionController.php b/app/Http/Controllers/TransactionController.php
index ca5a8333..f28a1463 100644
--- a/app/Http/Controllers/TransactionController.php
+++ b/app/Http/Controllers/TransactionController.php
@@ -12,17 +12,12 @@
 
 class TransactionController extends Controller
 {
-    private $currencyRepository;
-    private $recurringRepository;
-
     public function __construct(
         TransactionRepository $transactionRepository,
-        CurrencyRepository $currencyRepository,
-        RecurringRepository $recurringRepository
+        private readonly CurrencyRepository $currencyRepository,
+        private readonly RecurringRepository $recurringRepository
     ) {
         $this->repository = $transactionRepository;
-        $this->currencyRepository = $currencyRepository;
-        $this->recurringRepository = $recurringRepository;
     }
 
     public function index(Request $request)
@@ -30,7 +25,7 @@ public function index(Request $request)
         $filterBy = [];
 
         if ($request->get('filterBy')) {
-            $filterBy = explode('-', $request->get('filterBy'));
+            $filterBy = explode('-', (string) $request->get('filterBy'));
         }
 
         return view('transactions.index', [
diff --git a/app/Http/Resources/TransactionResource.php b/app/Http/Resources/TransactionResource.php
index ad8bbb95..51f81221 100644
--- a/app/Http/Resources/TransactionResource.php
+++ b/app/Http/Resources/TransactionResource.php
@@ -10,7 +10,7 @@ class TransactionResource extends JsonResource
 {
     public function toArray(Request $request): array
     {
-        $isEarning = get_class($this->resource) === Earning::class;
+        $isEarning = $this->resource::class === Earning::class;
 
         return [
             'id' => $this->id,
diff --git a/app/Jobs/FetchConversionRate.php b/app/Jobs/FetchConversionRate.php
index 77432baf..184e5d17 100644
--- a/app/Jobs/FetchConversionRate.php
+++ b/app/Jobs/FetchConversionRate.php
@@ -60,7 +60,7 @@ public function handle(
                 $decoded_response = json_decode($response->getBody(), true);
 
                 $rate = $decoded_response[$baseCurrency->iso_lowercased][$targetCurrency->iso_lowercased];
-            } catch (Exception $e) {
+            } catch (Exception) {
                 continue;
             }
 
diff --git a/app/Jobs/ProcessRecurrings.php b/app/Jobs/ProcessRecurrings.php
index fe90c943..b57b54db 100644
--- a/app/Jobs/ProcessRecurrings.php
+++ b/app/Jobs/ProcessRecurrings.php
@@ -83,22 +83,22 @@ public function handle(
 
                 switch ($recurring->interval) {
                     case 'daily':
-                        $cursorDate = date('Y-m-d', strtotime('+1 day', strtotime($cursorDate)));
+                        $cursorDate = date('Y-m-d', strtotime('+1 day', strtotime((string) $cursorDate)));
                         break;
 
                     case 'weekly':
-                        $cursorDate = date('Y-m-d', strtotime('+1 week', strtotime($cursorDate)));
+                        $cursorDate = date('Y-m-d', strtotime('+1 week', strtotime((string) $cursorDate)));
                         break;
 
                     case 'biweekly':
-                        $cursorDate = date('Y-m-d', strtotime('+2 weeks', strtotime($cursorDate)));
+                        $cursorDate = date('Y-m-d', strtotime('+2 weeks', strtotime((string) $cursorDate)));
                         break;
 
                     // Monthly is a different story, because of the different lengths of the months
                     // See below
 
                     case 'yearly':
-                        $cursorDate = date('Y-m-d', strtotime('+1 year', strtotime($cursorDate)));
+                        $cursorDate = date('Y-m-d', strtotime('+1 year', strtotime((string) $cursorDate)));
                         break;
                 }
 
@@ -115,8 +115,8 @@ public function handle(
                  * Hence why this next piece of code exists :shrug:
                  */
                 if ($recurring->interval === 'monthly') {
-                    $year = date('Y', strtotime($cursorDate));
-                    $month = date('n', strtotime($cursorDate));
+                    $year = date('Y', strtotime((string) $cursorDate));
+                    $month = date('n', strtotime((string) $cursorDate));
                     $day = date('j', strtotime($startingDate));
 
                     $month++;
@@ -147,12 +147,12 @@ public function handle(
                 if ($recurring->type === 'spending') {
                     $this->spendingRepository->create(
                         $recurring->space_id,
-                        null,
                         $recurring->id,
                         $recurring->tag_id,
                         $occuranceDate,
                         $recurring->description,
-                        $amount
+                        $amount,
+                        null
                     );
                 }
 
diff --git a/app/Models/Recurring.php b/app/Models/Recurring.php
index 8eeff469..f34ee0a0 100644
--- a/app/Models/Recurring.php
+++ b/app/Models/Recurring.php
@@ -51,9 +51,7 @@ protected function dueDays(): Attribute
 
     protected function status(): Attribute
     {
-        return Attribute::make(function () {
-            return $this->starts_on <= date('Y-m-d') && ($this->ends_on >= date('Y-m-d') || !$this->ends_on);
-        });
+        return Attribute::make(fn() => $this->starts_on <= date('Y-m-d') && ($this->ends_on >= date('Y-m-d') || !$this->ends_on));
     }
 
     // Relations
diff --git a/app/Models/Widget.php b/app/Models/Widget.php
index c8162520..49fa268b 100644
--- a/app/Models/Widget.php
+++ b/app/Models/Widget.php
@@ -39,7 +39,7 @@ protected function properties(): Attribute
          */
 
         return Attribute::make(
-            get: fn ($value) => json_decode($value),
+            get: fn ($value) => json_decode((string) $value),
             set: fn ($value) => json_encode($value, JSON_FORCE_OBJECT),
         );
     }
diff --git a/app/Repositories/SpendingRepository.php b/app/Repositories/SpendingRepository.php
index 373301d3..7f960a9f 100644
--- a/app/Repositories/SpendingRepository.php
+++ b/app/Repositories/SpendingRepository.php
@@ -20,12 +20,12 @@ public function getValidationRules(): array
 
     public function create(
         int $spaceId,
-        ?int $importId = null,
         ?int $recurringId,
         ?int $tagId,
         string $date,
         string $description,
-        int $amount
+        int $amount,
+        ?int $importId = null
     ): Spending {
         return Spending::create([
             'space_id' => $spaceId,
diff --git a/app/Repositories/TransactionRepository.php b/app/Repositories/TransactionRepository.php
index 0e083f73..2509617a 100644
--- a/app/Repositories/TransactionRepository.php
+++ b/app/Repositories/TransactionRepository.php
@@ -86,9 +86,7 @@ public function getTransactionsByYearMonth(array $filterBy = [])
 
         // Sort transactions
         foreach ($yearMonths as &$yearMonth) {
-            usort($yearMonth, function ($a, $b) {
-                return $a->happened_on < $b->happened_on;
-            });
+            usort($yearMonth, fn($a, $b) => $a->happened_on < $b->happened_on);
         }
 
         // Sort yearMonths
diff --git a/app/Widgets/Spent.php b/app/Widgets/Spent.php
index b3cd78a5..de7784af 100644
--- a/app/Widgets/Spent.php
+++ b/app/Widgets/Spent.php
@@ -8,11 +8,8 @@
 
 class Spent
 {
-    private $properties;
-
-    public function __construct(object $properties)
+    public function __construct(private readonly object $properties)
     {
-        $this->properties = $properties;
     }
 
     public function render()
diff --git a/composer.json b/composer.json
index d6d63ce9..0cd5d3c1 100644
--- a/composer.json
+++ b/composer.json
@@ -5,7 +5,7 @@
     "license": "MIT",
     "type": "project",
     "require": {
-        "php": "^8.1",
+        "php": "^8.2",
         "ext-calendar": "*",
         "doctrine/dbal": "^3.0",
         "guzzlehttp/guzzle": "^7.0.1",
diff --git a/composer.lock b/composer.lock
index 458de902..22f5e0da 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "542613d7062068b3b8abd065c9500796",
+    "content-hash": "b18816a490a2ba471b7788f52df82000",
     "packages": [
         {
             "name": "brick/math",
@@ -8551,7 +8551,7 @@
     "prefer-stable": false,
     "prefer-lowest": false,
     "platform": {
-        "php": "^8.1",
+        "php": "^8.2",
         "ext-calendar": "*"
     },
     "platform-dev": [],
diff --git a/docker/Dockerfile b/docker/Dockerfile
index 5bd6bb5c..32c0ff28 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -1,4 +1,4 @@
-FROM php:8.1-fpm-bullseye
+FROM php:8.2-fpm-bullseye
 
 # Grab magical script that brings back balance throughout earth
 COPY --from=mlocati/php-extension-installer /usr/bin/install-php-extensions /usr/local/bin/
diff --git a/phpcs.xml b/phpcs.xml
index 3d044652..a3e8b7a8 100644
--- a/phpcs.xml
+++ b/phpcs.xml
@@ -4,7 +4,9 @@
   <file>./config</file>
   <file>./tests</file>
 
-  <rule ref="PSR12" />
+  <rule ref="PSR12">
+      <exclude name="Generic.Files.LineLength" />
+  </rule>
 
   <rule ref="SlevomatCodingStandard.Namespaces.UnusedUses" />
 </ruleset>