diff --git a/.github/workflows/run-tests.yml b/.github/workflows/run-tests.yml
index 54858e2..9d1de15 100644
--- a/.github/workflows/run-tests.yml
+++ b/.github/workflows/run-tests.yml
@@ -9,7 +9,7 @@ jobs:
       fail-fast: true
       matrix:
         os: [ubuntu-latest, windows-latest]
-        php: [8.2, 8.1, 8.0]
+        php: [8.3, 8.2, 8.1]
         stability: [prefer-lowest, prefer-stable]
 
     name: P${{ matrix.php }} - ${{ matrix.stability }} - ${{ matrix.os }}
diff --git a/README.md b/README.md
index e86533b..855de3e 100644
--- a/README.md
+++ b/README.md
@@ -13,7 +13,7 @@ A HTTP client for Farzai Package.
 You can install the package via composer:
 
 ```bash
-composer require farzai/transport:dev-main
+composer require farzai/transport
 ```
 
 ## Testing
diff --git a/composer.json b/composer.json
index 23c4e22..54f18cf 100644
--- a/composer.json
+++ b/composer.json
@@ -14,7 +14,7 @@
         }
     ],
     "require": {
-        "php": "^8.0",
+        "php": "^8.1",
         "farzai/support": "^1.1",
         "guzzlehttp/guzzle": "^7.7",
         "guzzlehttp/psr7": "^2.5",
diff --git a/tests/ResponseTest.php b/tests/ResponseTest.php
index 1d476b8..2911d1b 100644
--- a/tests/ResponseTest.php
+++ b/tests/ResponseTest.php
@@ -75,6 +75,21 @@
     expect($response->json())->toBe(['foo' => 'bar']);
 });
 
+it('can get json body with dot notation', function () {
+    $stream = $this->createMock(StreamInterface::class);
+    $stream->method('getContents')->willReturn('{"foo":{"bar":"baz"}}');
+
+    $baseResponse = $this->createMock(ResponseInterface::class);
+    $baseResponse->method('getBody')->willReturn($stream);
+
+    $response = new Response(
+        $this->createMock(RequestInterface::class),
+        $baseResponse,
+    );
+
+    expect($response->json('foo.bar'))->toBe('baz');
+});
+
 it('cannot get json when invalid json format', function () {
     $stream = $this->createMock(StreamInterface::class);
     $stream->method('getContents')->willReturn('{"foo":"bar"');
@@ -116,7 +131,6 @@
     $response = new Response(
         $this->createMock(RequestInterface::class),
         $baseResponse,
-
     );
 
     $response->throw();