diff --git a/_archive/src/filesystem/composer.json b/_archive/src/filesystem/composer.json
index 0f09452dd..dbd59de2c 100644
--- a/_archive/src/filesystem/composer.json
+++ b/_archive/src/filesystem/composer.json
@@ -34,9 +34,9 @@
     "require": {
         "php": "^8.4",
         "psr/http-message": "^2.0",
-        "symfony/finder": "^8.0",
-        "symfony/http-foundation": "^8.0",
-        "symfony/http-kernel": "^8.0",
+        "symfony/finder": "^8.1",
+        "symfony/http-foundation": "^8.1",
+        "symfony/http-kernel": "^8.1",
         "hypervel/collections": "^0.4",
         "hypervel/conditionable": "^0.4",
         "hypervel/container": "^0.4",
@@ -58,7 +58,7 @@
         "league/flysystem-google-cloud-storage": "Required to use the Flysystem Google Cloud Storage driver (^3.25.1).",
         "league/flysystem-ftp": "Required to use the Flysystem FTP driver (^3.25.1).",
         "league/flysystem-sftp-v3": "Required to use the Flysystem SFTP driver (^3.25.1).",
-        "symfony/filesystem": "Required to use relative symbolic links (^8.0)."
+        "symfony/filesystem": "Required to use relative symbolic links (^8.1)."
     },
     "config": {
         "sort-packages": true
diff --git a/_archive/src/serializer/composer.json b/_archive/src/serializer/composer.json
index 67a8d73f8..9d1416a68 100644
--- a/_archive/src/serializer/composer.json
+++ b/_archive/src/serializer/composer.json
@@ -33,8 +33,8 @@
         "php": "^8.4",
         "doctrine/instantiator": "^1.5|^2.0",
         "hypervel/contracts": "^0.4",
-        "symfony/property-access": "^8.0",
-        "symfony/serializer": "^8.0"
+        "symfony/property-access": "^8.1",
+        "symfony/serializer": "^8.1"
     },
     "config": {
         "sort-packages": true
diff --git a/composer.json b/composer.json
index 19fb4eac6..dc295e9af 100644
--- a/composer.json
+++ b/composer.json
@@ -183,22 +183,22 @@
         "psy/psysh": "^0.12.22",
         "sentry/sentry": "^4.15",
         "spomky-labs/otphp": "^11.0",
-        "symfony/console": "^8.0",
-        "symfony/error-handler": "^8.0",
-        "symfony/finder": "^8.0",
-        "symfony/http-foundation": "^8.0",
-        "symfony/http-kernel": "^8.0.12",
-        "symfony/mailer": "^8.0.12",
-        "symfony/mime": "^8.0.12",
+        "symfony/console": "^8.1",
+        "symfony/error-handler": "^8.1",
+        "symfony/finder": "^8.1",
+        "symfony/http-foundation": "^8.1",
+        "symfony/http-kernel": "^8.1",
+        "symfony/mailer": "^8.1",
+        "symfony/mime": "^8.1",
         "symfony/polyfill-php85": "^1.33",
         "symfony/polyfill-php86": "^1.36",
-        "symfony/process": "^8.0.5",
-        "symfony/property-access": "^8.0",
-        "symfony/psr-http-message-bridge": "^8.0",
-        "symfony/routing": "^8.0.12",
+        "symfony/process": "^8.1",
+        "symfony/property-access": "^8.1",
+        "symfony/psr-http-message-bridge": "^8.1",
+        "symfony/routing": "^8.1",
         "symfony/serializer": "^8.1",
-        "symfony/uid": "^8.0",
-        "symfony/var-dumper": "^8.0",
+        "symfony/uid": "^8.1",
+        "symfony/var-dumper": "^8.1",
         "tijsverkoyen/css-to-inline-styles": "^2.2.5",
         "vlucas/phpdotenv": "^5.6.1",
         "voku/portable-ascii": "^2.0.2",
@@ -295,11 +295,11 @@
         "pusher/pusher-php-server": "^7.2",
         "resend/resend-php": "^1.0",
         "swoole/ide-helper": "^6.0.2",
-        "symfony/filesystem": "^8.0",
-        "symfony/http-client": "^8.0",
-        "symfony/mailgun-mailer": "^8.0",
-        "symfony/postmark-mailer": "^8.0",
-        "symfony/yaml": "^8.0.12",
+        "symfony/filesystem": "^8.1",
+        "symfony/http-client": "^8.1",
+        "symfony/mailgun-mailer": "^8.1",
+        "symfony/postmark-mailer": "^8.1",
+        "symfony/yaml": "^8.1",
         "typesense/typesense-php": "^5.2"
     },
     "config": {
diff --git a/dogfood/testbench-package/composer.json b/dogfood/testbench-package/composer.json
index 5c4dfaf16..b46404fa9 100644
--- a/dogfood/testbench-package/composer.json
+++ b/dogfood/testbench-package/composer.json
@@ -36,7 +36,7 @@
         "hypervel/testbench": "0.4.x-dev",
         "mockery/mockery": "1.6.x-dev",
         "phpunit/phpunit": "^13.0.3",
-        "symfony/yaml": "^8.0.12"
+        "symfony/yaml": "^8.1"
     },
     "extra": {
         "hypervel": {
diff --git a/src/console/composer.json b/src/console/composer.json
index f47b54f61..46effeac2 100644
--- a/src/console/composer.json
+++ b/src/console/composer.json
@@ -32,7 +32,7 @@
         "php": "^8.4",
         "dragonmantank/cron-expression": "^3.4",
         "guzzlehttp/guzzle": "^7.8.2",
-        "symfony/console": "^8.0",
+        "symfony/console": "^8.1",
         "hypervel/bus": "^0.4",
         "hypervel/cache": "^0.4",
         "hypervel/collections": "^0.4",
diff --git a/src/context/composer.json b/src/context/composer.json
index 0af058413..f77a5b4e3 100644
--- a/src/context/composer.json
+++ b/src/context/composer.json
@@ -25,7 +25,7 @@
     ],
     "require": {
         "php": "^8.4",
-        "symfony/http-foundation": "^8.0",
+        "symfony/http-foundation": "^8.1",
         "hypervel/coroutine": "^0.4",
         "hypervel/engine": "^0.4",
         "hypervel/http": "^0.4",
diff --git a/src/core/composer.json b/src/core/composer.json
index a719a628e..691946387 100644
--- a/src/core/composer.json
+++ b/src/core/composer.json
@@ -34,7 +34,7 @@
         "hypervel/coordinator": "^0.4",
         "hypervel/coroutine": "^0.4",
         "psr/log": "^3.0",
-        "symfony/console": "^8.0"
+        "symfony/console": "^8.1"
     },
     "config": {
         "sort-packages": true
diff --git a/src/database/composer.json b/src/database/composer.json
index 70163caa1..57839af97 100644
--- a/src/database/composer.json
+++ b/src/database/composer.json
@@ -33,9 +33,9 @@
         "php": "^8.4",
         "brick/math": "^0.16",
         "nesbot/carbon": "^3.8.4",
-        "symfony/console": "^8.0",
+        "symfony/console": "^8.1",
         "symfony/polyfill-php86": "^1.36",
-        "symfony/process": "^8.0.5",
+        "symfony/process": "^8.1",
         "hypervel/broadcasting": "^0.4",
         "hypervel/collections": "^0.4",
         "hypervel/conditionable": "^0.4",
diff --git a/src/filesystem/composer.json b/src/filesystem/composer.json
index 5ddaf6c1f..85f180b52 100644
--- a/src/filesystem/composer.json
+++ b/src/filesystem/composer.json
@@ -39,9 +39,9 @@
         "league/flysystem-path-prefixing": "^3.25.1",
         "league/flysystem-read-only": "^3.25.1",
         "psr/http-message": "^2.0",
-        "symfony/finder": "^8.0",
-        "symfony/http-foundation": "^8.0",
-        "symfony/http-kernel": "^8.0.12",
+        "symfony/finder": "^8.1",
+        "symfony/http-foundation": "^8.1",
+        "symfony/http-kernel": "^8.1",
         "hypervel/collections": "^0.4",
         "hypervel/conditionable": "^0.4",
         "hypervel/container": "^0.4",
@@ -59,8 +59,8 @@
         "league/flysystem-ftp": "Required to use the Flysystem FTP driver (^3.25.1).",
         "league/flysystem-google-cloud-storage": "Required to use the Flysystem Google Cloud Storage driver (^3.25.1).",
         "league/flysystem-sftp-v3": "Required to use the Flysystem SFTP driver (^3.25.1).",
-        "symfony/filesystem": "Required to use relative symbolic links (^8.0).",
-        "symfony/mime": "Required to enable support for guessing extensions (^8.0)."
+        "symfony/filesystem": "Required to use relative symbolic links (^8.1).",
+        "symfony/mime": "Required to enable support for guessing extensions (^8.1)."
     },
     "config": {
         "sort-packages": true
diff --git a/src/fortify/composer.json b/src/fortify/composer.json
index 500436ee9..ec10b9019 100644
--- a/src/fortify/composer.json
+++ b/src/fortify/composer.json
@@ -36,7 +36,7 @@
         "hypervel/view": "^0.4",
         "psr/clock": "^1.0",
         "spomky-labs/otphp": "^11.0",
-        "symfony/console": "^8.0"
+        "symfony/console": "^8.1"
     },
     "autoload": {
         "psr-4": {
diff --git a/src/foundation/composer.json b/src/foundation/composer.json
index 8f56c0df7..6e2a5950b 100644
--- a/src/foundation/composer.json
+++ b/src/foundation/composer.json
@@ -28,12 +28,12 @@
         "laravel/serializable-closure": "^2.0.10",
         "nesbot/carbon": "^3.8.4",
         "psr/clock": "^1.0",
-        "symfony/console": "^8.0",
-        "symfony/error-handler": "^8.0",
-        "symfony/finder": "^8.0",
-        "symfony/http-foundation": "^8.0",
-        "symfony/http-kernel": "^8.0.12",
-        "symfony/var-dumper": "^8.0",
+        "symfony/console": "^8.1",
+        "symfony/error-handler": "^8.1",
+        "symfony/finder": "^8.1",
+        "symfony/http-foundation": "^8.1",
+        "symfony/http-kernel": "^8.1",
+        "symfony/var-dumper": "^8.1",
         "vlucas/phpdotenv": "^5.6.1",
         "hypervel/auth": "^0.4",
         "hypervel/broadcasting": "^0.4",
diff --git a/src/horizon/composer.json b/src/horizon/composer.json
index a4c7b2b5e..131b7d7d0 100644
--- a/src/horizon/composer.json
+++ b/src/horizon/composer.json
@@ -42,7 +42,7 @@
         "hypervel/redis": "^0.4",
         "hypervel/support": "^0.4",
         "hypervel/watcher": "^0.4",
-        "symfony/process": "^8.0"
+        "symfony/process": "^8.1"
     },
     "autoload": {
         "psr-4": {
diff --git a/src/http-server/composer.json b/src/http-server/composer.json
index 63daa1e4b..234f4fb28 100644
--- a/src/http-server/composer.json
+++ b/src/http-server/composer.json
@@ -37,7 +37,7 @@
         "hypervel/engine": "^0.4",
         "hypervel/http": "^0.4",
         "hypervel/server": "^0.4",
-        "symfony/http-foundation": "^8.0"
+        "symfony/http-foundation": "^8.1"
     },
     "config": {
         "sort-packages": true
diff --git a/src/http/composer.json b/src/http/composer.json
index abac92f98..1118d2edc 100644
--- a/src/http/composer.json
+++ b/src/http/composer.json
@@ -34,9 +34,9 @@
         "guzzlehttp/guzzle": "^7.8.2",
         "guzzlehttp/uri-template": "^1.0",
         "nesbot/carbon": "^3.8.4",
-        "symfony/http-foundation": "^8.0",
-        "symfony/http-kernel": "^8.0.12",
-        "symfony/mime": "^8.0.12",
+        "symfony/http-foundation": "^8.1",
+        "symfony/http-kernel": "^8.1",
+        "symfony/mime": "^8.1",
         "hypervel/collections": "^0.4",
         "hypervel/conditionable": "^0.4",
         "hypervel/container": "^0.4",
diff --git a/src/http/src/Request.php b/src/http/src/Request.php
index 5de5543f9..01ee9ff9d 100644
--- a/src/http/src/Request.php
+++ b/src/http/src/Request.php
@@ -773,7 +773,11 @@ public static function createFromBase(SymfonyRequest $request): static
         $newRequest->content = $request->content;
 
         if ($newRequest->isJson()) {
-            $newRequest->request = $newRequest->json();
+            // Fill the request bag with the JSON payload and share the same bag
+            // as the JSON cache, mirroring the aliasing of a direct assignment
+            // without hitting Symfony 8.1's deprecated property setter.
+            $newRequest->request->replace($newRequest->json()->all());
+            $newRequest->setJson($newRequest->request);
         }
 
         if ($request instanceof self) {
diff --git a/src/http/src/Response.php b/src/http/src/Response.php
index 6ac1aced6..d4a764fe5 100755
--- a/src/http/src/Response.php
+++ b/src/http/src/Response.php
@@ -15,7 +15,6 @@
 use Override;
 use RuntimeException;
 use Symfony\Component\HttpFoundation\Response as SymfonyResponse;
-use Symfony\Component\HttpFoundation\ResponseHeaderBag;
 
 class Response extends SymfonyResponse
 {
@@ -49,11 +48,11 @@ class Response extends SymfonyResponse
      */
     public function __construct(mixed $content = '', int $status = 200, array $headers = [])
     {
-        $this->headers = new ResponseHeaderBag($headers);
+        // The parent constructor accepts the headers since Symfony 8.1; assigning
+        // the property directly would hit the deprecated property setter.
+        parent::__construct('', $status, $headers);
 
         $this->setContent($content);
-        $this->setStatusCode($status);
-        $this->setProtocolVersion('1.0');
     }
 
     /**
diff --git a/src/inertia/composer.json b/src/inertia/composer.json
index f91cc7754..fbf675b12 100644
--- a/src/inertia/composer.json
+++ b/src/inertia/composer.json
@@ -46,8 +46,8 @@
         "hypervel/support": "^0.4",
         "hypervel/testing": "^0.4",
         "hypervel/view": "^0.4",
-        "symfony/console": "^8.0",
-        "symfony/process": "^8.0"
+        "symfony/console": "^8.1",
+        "symfony/process": "^8.1"
     },
     "config": {
         "sort-packages": true
diff --git a/src/mail/composer.json b/src/mail/composer.json
index e931f10c1..6f953c2ca 100644
--- a/src/mail/composer.json
+++ b/src/mail/composer.json
@@ -32,7 +32,7 @@
         "php": "^8.4",
         "league/commonmark": "^2.7",
         "psr/log": "^3.0",
-        "symfony/mailer": "^8.0.12",
+        "symfony/mailer": "^8.1",
         "tijsverkoyen/css-to-inline-styles": "^2.2.5",
         "hypervel/bus": "^0.4",
         "hypervel/collections": "^0.4",
@@ -64,9 +64,9 @@
     },
     "suggest": {
         "aws/aws-sdk-php": "Required to use the SES mail driver (^3.235.5).",
-        "symfony/http-client": "Required to use the Symfony API mail transports (^8.0).",
-        "symfony/mailgun-mailer": "Required to enable support for the Mailgun mail transport (^8.0).",
-        "symfony/postmark-mailer": "Required to enable support for the Postmark mail transport (^8.0).",
+        "symfony/http-client": "Required to use the Symfony API mail transports (^8.1).",
+        "symfony/mailgun-mailer": "Required to enable support for the Mailgun mail transport (^8.1).",
+        "symfony/postmark-mailer": "Required to enable support for the Postmark mail transport (^8.1).",
         "resend/resend-php": "Required to enable support for the Resend mail transport (^1.0)."
     }
 }
\ No newline at end of file
diff --git a/src/notifications/composer.json b/src/notifications/composer.json
index 3dad83e33..cc70b57ca 100644
--- a/src/notifications/composer.json
+++ b/src/notifications/composer.json
@@ -32,7 +32,7 @@
         "php": "^8.4",
         "guzzlehttp/guzzle": "^7.8.2",
         "psr/http-message": "^2.0",
-        "symfony/mailer": "^8.0.12",
+        "symfony/mailer": "^8.1",
         "hypervel/broadcasting": "^0.4",
         "hypervel/bus": "^0.4",
         "hypervel/collections": "^0.4",
diff --git a/src/passkeys/composer.json b/src/passkeys/composer.json
index 629a5288b..15c925f60 100644
--- a/src/passkeys/composer.json
+++ b/src/passkeys/composer.json
@@ -29,7 +29,7 @@
         "hypervel/support": "^0.4",
         "hypervel/validation": "^0.4",
         "paragonie/constant_time_encoding": "^3.1",
-        "symfony/console": "^8.0",
+        "symfony/console": "^8.1",
         "symfony/serializer": "^8.1",
         "web-auth/cose-lib": "^4.5",
         "web-auth/webauthn-lib": "^5.3"
diff --git a/src/process/composer.json b/src/process/composer.json
index 69e5e3286..e805392d7 100644
--- a/src/process/composer.json
+++ b/src/process/composer.json
@@ -29,7 +29,7 @@
         "hypervel/contracts": "^0.4",
         "hypervel/macroable": "^0.4",
         "hypervel/support": "^0.4",
-        "symfony/process": "^8.0.5"
+        "symfony/process": "^8.1"
     },
     "autoload": {
         "psr-4": {
diff --git a/src/prompts/composer.json b/src/prompts/composer.json
index 47247b22d..1290ca991 100644
--- a/src/prompts/composer.json
+++ b/src/prompts/composer.json
@@ -32,8 +32,8 @@
         "ext-mbstring": "*",
         "composer-runtime-api": "^2.2",
         "nunomaduro/termwind": "^2.0",
-        "symfony/console": "^8.0",
-        "symfony/process": "^8.0",
+        "symfony/console": "^8.1",
+        "symfony/process": "^8.1",
         "hypervel/collections": "^0.4",
         "hypervel/context": "^0.4",
         "hypervel/coroutine": "^0.4"
diff --git a/src/queue/composer.json b/src/queue/composer.json
index 145b6a0fc..5dd0fbdaa 100644
--- a/src/queue/composer.json
+++ b/src/queue/composer.json
@@ -26,8 +26,8 @@
         "php": "^8.4",
         "laravel/serializable-closure": "^2.0.10",
         "nesbot/carbon": "^3.8.4",
-        "symfony/console": "^8.0",
-        "symfony/process": "^8.0.5",
+        "symfony/console": "^8.1",
+        "symfony/process": "^8.1",
         "hypervel/bus": "^0.4",
         "hypervel/cache": "^0.4",
         "hypervel/collections": "^0.4",
diff --git a/src/routing/composer.json b/src/routing/composer.json
index a7b8bab33..bcf2ee990 100644
--- a/src/routing/composer.json
+++ b/src/routing/composer.json
@@ -46,11 +46,11 @@
         "hypervel/session": "^0.4",
         "hypervel/support": "^0.4",
         "hypervel/view": "^0.4",
-        "symfony/console": "^8.0",
-        "symfony/http-foundation": "^8.0",
-        "symfony/http-kernel": "^8.0.12",
-        "symfony/psr-http-message-bridge": "^8.0",
-        "symfony/routing": "^8.0.12"
+        "symfony/console": "^8.1",
+        "symfony/http-foundation": "^8.1",
+        "symfony/http-kernel": "^8.1",
+        "symfony/psr-http-message-bridge": "^8.1",
+        "symfony/routing": "^8.1"
     },
     "config": {
         "sort-packages": true
diff --git a/src/scout/composer.json b/src/scout/composer.json
index ba4624e53..4a1cbc03d 100644
--- a/src/scout/composer.json
+++ b/src/scout/composer.json
@@ -49,7 +49,7 @@
         "hypervel/pagination": "^0.4",
         "hypervel/queue": "^0.4",
         "hypervel/support": "^0.4",
-        "symfony/console": "^8.0"
+        "symfony/console": "^8.1"
     },
     "suggest": {
         "algolia/algoliasearch-client-php": "Required for Algolia driver (^4.0)",
diff --git a/src/server/composer.json b/src/server/composer.json
index 6791082c1..ff1441a59 100644
--- a/src/server/composer.json
+++ b/src/server/composer.json
@@ -31,7 +31,7 @@
     "require": {
         "php": "^8.4",
         "psr/log": "^3.0",
-        "symfony/console": "^8.0",
+        "symfony/console": "^8.1",
         "hypervel/contracts": "^0.4",
         "hypervel/engine": "^0.4",
         "hypervel/events": "^0.4",
diff --git a/src/support/composer.json b/src/support/composer.json
index 187b3bb36..fdff28a96 100644
--- a/src/support/composer.json
+++ b/src/support/composer.json
@@ -29,7 +29,7 @@
         "league/uri": "^7.5.1",
         "nesbot/carbon": "^3.8.4",
         "phpoption/phpoption": "^1.9",
-        "symfony/uid": "^8.0",
+        "symfony/uid": "^8.1",
         "vlucas/phpdotenv": "^5.6.1",
         "voku/portable-ascii": "^2.0.2",
         "hypervel/bus": "^0.4",
diff --git a/src/testbench/composer.json b/src/testbench/composer.json
index c584e2e45..8cb72f192 100644
--- a/src/testbench/composer.json
+++ b/src/testbench/composer.json
@@ -27,7 +27,7 @@
         "composer-runtime-api": "^2.2",
         "mockery/mockery": "1.6.x-dev",
         "phpunit/phpunit": "^13.0.3",
-        "symfony/yaml": "^8.0.12",
+        "symfony/yaml": "^8.1",
         "vlucas/phpdotenv": "^5.6.1",
         "hypervel/collections": "^0.4",
         "hypervel/context": "^0.4",
diff --git a/src/testing/composer.json b/src/testing/composer.json
index b4c753a44..e08b59c7d 100644
--- a/src/testing/composer.json
+++ b/src/testing/composer.json
@@ -33,9 +33,9 @@
         "ext-dom": "*",
         "composer-runtime-api": "^2.2",
         "mockery/mockery": "1.6.x-dev",
-        "symfony/console": "^8.0",
-        "symfony/http-foundation": "^8.0",
-        "symfony/process": "^8.0.5",
+        "symfony/console": "^8.1",
+        "symfony/http-foundation": "^8.1",
+        "symfony/process": "^8.1",
         "vlucas/phpdotenv": "^5.6.1",
         "hypervel/collections": "^0.4",
         "hypervel/conditionable": "^0.4",
diff --git a/src/tinker/composer.json b/src/tinker/composer.json
index ac5ce2b51..673b03337 100644
--- a/src/tinker/composer.json
+++ b/src/tinker/composer.json
@@ -38,7 +38,7 @@
         "hypervel/foundation": "^0.4",
         "hypervel/support": "^0.4",
         "psy/psysh": "^0.12.22",
-        "symfony/var-dumper": "^8.0"
+        "symfony/var-dumper": "^8.1"
     },
     "suggest": {
         "hypervel/database": "Required for Eloquent model casting in Tinker (^0.4)."
diff --git a/tests/Http/HttpRequestTest.php b/tests/Http/HttpRequestTest.php
index 6d4bfa17d..2d8c3bd36 100644
--- a/tests/Http/HttpRequestTest.php
+++ b/tests/Http/HttpRequestTest.php
@@ -8,6 +8,8 @@
 use Hypervel\Routing\Route;
 use Hypervel\Tests\TestCase;
 use RuntimeException;
+use Symfony\Component\HttpFoundation\InputBag;
+use Symfony\Component\HttpFoundation\Request as SymfonyRequest;
 
 class HttpRequestTest extends TestCase
 {
@@ -64,4 +66,54 @@ public function testFingerprintThrowsWhenRouteIsUnavailable(): void
 
         $request->fingerprint();
     }
+
+    public function testJsonRequestFillsRequestBodyParams(): void
+    {
+        $body = [
+            'foo' => 'bar',
+            'baz' => ['qux'],
+        ];
+
+        $server = [
+            'CONTENT_TYPE' => 'application/json',
+        ];
+
+        $base = SymfonyRequest::create('/', 'GET', [], [], [], $server, json_encode($body));
+
+        $request = Request::createFromBase($base);
+
+        $this->assertEquals($request->request->all(), $body);
+    }
+
+    public function testGeneratingJsonRequestFromParentRequestUsesCorrectType(): void
+    {
+        $base = SymfonyRequest::create('/', 'POST', server: ['CONTENT_TYPE' => 'application/json'], content: '{"hello":"world"}');
+
+        $request = Request::createFromBase($base);
+
+        $this->assertInstanceOf(InputBag::class, $request->getPayload());
+        $this->assertSame('world', $request->getPayload()->get('hello'));
+    }
+
+    public function testCreatingJsonRequestFromBaseDoesNotTriggerRequestPropertyDeprecation(): void
+    {
+        $request = Request::createFromBase(
+            SymfonyRequest::create('/', 'POST', server: ['CONTENT_TYPE' => 'application/json'], content: '{"hello":"world"}')
+        );
+
+        $this->assertTrue($request->isJson());
+        $this->assertSame('world', $request->input('hello'));
+    }
+
+    public function testJsonRequestsCanMergeDataIntoJsonRequest(): void
+    {
+        $base = SymfonyRequest::create('/', 'POST', server: ['CONTENT_TYPE' => 'application/json'], content: '{"first":"Taylor","last":"Otwell"}');
+        $request = Request::createFromBase($base);
+
+        $request->merge([
+            'name' => $request->get('first') . ' ' . $request->get('last'),
+        ]);
+
+        $this->assertSame('Taylor Otwell', $request->get('name'));
+    }
 }
diff --git a/tests/Http/HttpResponseTest.php b/tests/Http/HttpResponseTest.php
new file mode 100644
index 000000000..6b96f0776
--- /dev/null
+++ b/tests/Http/HttpResponseTest.php
@@ -0,0 +1,22 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Hypervel\Tests\Http;
+
+use Hypervel\Http\Response;
+use Hypervel\Tests\TestCase;
+
+class HttpResponseTest extends TestCase
+{
+    public function testConstructorInitializesStatusHeadersContentAndOriginalContent(): void
+    {
+        $response = new Response(['name' => 'Taylor'], 201, ['X-Test' => 'yes']);
+
+        $this->assertSame(201, $response->getStatusCode());
+        $this->assertSame('yes', $response->headers->get('X-Test'));
+        $this->assertSame('1.0', $response->getProtocolVersion());
+        $this->assertSame('{"name":"Taylor"}', $response->getContent());
+        $this->assertSame(['name' => 'Taylor'], $response->getOriginalContent());
+    }
+}