diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 46deb7d..eaf0932 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -14,8 +14,8 @@ jobs:
     strategy:
       fail-fast: true
       matrix:
-        php: [8.2, 8.3]
-        laravel: [11]
+        php: [8.2, 8.3, 8.4]
+        core: ['4.3.2', '5.0.1']
 
     steps:
     - name: Checkout Code
@@ -30,8 +30,8 @@ jobs:
         coverage: none
         ini-values: error_reporting=E_ALL
 
-    - name: Set Laravel Version
-      run: composer require "illuminate/contracts:^${{ matrix.laravel }}" --no-update
+    - name: Set Laravel JSON:API Core Version
+      run: composer require "laravel-json-api/core:^${{ matrix.core }}" --no-update
 
     - name: Install dependencies
       uses: nick-fields/retry@v3
diff --git a/CHANGELOG.md b/CHANGELOG.md
index f8a63f9..93dd209 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,16 @@ All notable changes to this project will be documented in this file. This projec
 
 ## Unreleased
 
+## [3.1.0] - 2024-11-30
+
+### Added
+
+- Allow `laravel-json-api/core` v4 and v5.
+
+### Fixed
+
+- Remove deprecation notices for PHP 8.4.
+
 ## [3.0.0] - 2024-03-12
 
 ### Changed
diff --git a/composer.json b/composer.json
index 3160f4b..bee80fd 100644
--- a/composer.json
+++ b/composer.json
@@ -27,8 +27,8 @@
         "ext-json": "*",
         "illuminate/contracts": "^11.0",
         "illuminate/pipeline": "^11.0",
-        "laravel-json-api/core": "^4.0",
-        "laravel-json-api/validation": "^4.0"
+        "laravel-json-api/core": "^4.3.2|^5.0.1",
+        "laravel-json-api/validation": "^4.2"
     },
     "require-dev": {
         "laravel-json-api/testing": "^3.0",
@@ -50,7 +50,7 @@
             "dev-develop": "3.x-dev"
         }
     },
-    "minimum-stability": "dev",
+    "minimum-stability": "stable",
     "prefer-stable": true,
     "config": {
         "sort-packages": true
diff --git a/phpunit.xml b/phpunit.xml
index c2d37a1..215e292 100644
--- a/phpunit.xml
+++ b/phpunit.xml
@@ -13,6 +13,7 @@
          failOnWarning="true"
          failOnDeprecation="true"
          failOnNotice="true"
+         displayDetailsOnTestsThatTriggerDeprecations="true"
 >
     <coverage/>
     <testsuites>
diff --git a/src/Pipes/ValidationExceptionHandler.php b/src/Pipes/ValidationExceptionHandler.php
index 2dc5355..90c3cea 100644
--- a/src/Pipes/ValidationExceptionHandler.php
+++ b/src/Pipes/ValidationExceptionHandler.php
@@ -36,7 +36,7 @@ class ValidationExceptionHandler
      */
     public function __construct(
         private readonly Factory $factory,
-        Translator $translator = null,
+        ?Translator $translator = null,
     ) {
         $this->translator = $translator;
     }
diff --git a/tests/Integration/ExceptionsTest.php b/tests/Integration/ExceptionsTest.php
index e11e062..38b1050 100644
--- a/tests/Integration/ExceptionsTest.php
+++ b/tests/Integration/ExceptionsTest.php
@@ -364,7 +364,7 @@ public function testRequestException(): void
         $expected = [
             'errors' => [
                 [
-                    'detail' => 'Your request is badly formatted.',
+                    'detail' => 'Bad request.',
                     'status' => '400',
                     'title' => 'Bad Request',
                 ],
@@ -387,6 +387,7 @@ public function testRequestExceptionWithoutMessage(): void
         $expected = [
             'errors' => [
                 [
+                    'detail' => 'Bad request.',
                     'status' => '400',
                     'title' => 'Bad Request',
                 ],