diff --git a/.github/workflows/unit-tests.yaml b/.github/workflows/unit-tests.yaml
index d848d8e0..e460d4c0 100644
--- a/.github/workflows/unit-tests.yaml
+++ b/.github/workflows/unit-tests.yaml
@@ -30,12 +30,15 @@ jobs:
                     # lowest deps
                     -   php-version: '8.2'
                         dependency-version: 'lowest'
-                    # LTS version of Symfony
+                    # Symfony 7.4 LTS
                     -   php-version: '8.2'
-                        symfony-version: '6.4.*'
+                        symfony-version: '7.4.*'
+                    # Symfony 8.0
+                    -   php-version: '8.3'
+                        symfony-version: '8.0.*'
 
         env:
-            SYMFONY_REQUIRE: ${{ matrix.symfony-version || '>=6.4' }}
+            SYMFONY_REQUIRE: ${{ matrix.symfony-version || '>=7.3' }}
 
         steps:
             - uses: actions/checkout@v4
diff --git a/composer.json b/composer.json
index d94d57ce..75f55f26 100644
--- a/composer.json
+++ b/composer.json
@@ -8,8 +8,8 @@
     "require-dev": {
         "php": ">=8.2",
         "php-cs-fixer/shim": "^3.75",
-        "symfony/finder": "^6.4 || ^7.0",
-        "symfony/filesystem": "^6.4 || ^7.0"
+        "symfony/finder": "^7.3|^8.0",
+        "symfony/filesystem": "^7.3|^8.0"
     },
     "config": {
         "sort-packages": true
diff --git a/examples/composer.json b/examples/composer.json
index 43646835..1f806c5a 100644
--- a/examples/composer.json
+++ b/examples/composer.json
@@ -15,15 +15,15 @@
         "symfony/ai-agent": "@dev",
         "symfony/ai-platform": "@dev",
         "symfony/ai-store": "@dev",
-        "symfony/console": "^6.4|^7.0",
-        "symfony/css-selector": "^6.4|^7.0",
-        "symfony/dom-crawler": "^6.4|^7.0",
-        "symfony/dotenv": "^6.4|^7.0",
-        "symfony/event-dispatcher": "^6.4|^7.0",
-        "symfony/filesystem": "^6.4|^7.0",
-        "symfony/finder": "^6.4|^7.0",
-        "symfony/process": "^6.4|^7.0",
-        "symfony/var-dumper": "^6.4|^7.0"
+        "symfony/console": "^7.3|^8.0",
+        "symfony/css-selector": "^7.3|^8.0",
+        "symfony/dom-crawler": "^7.3|^8.0",
+        "symfony/dotenv": "^7.3|^8.0",
+        "symfony/event-dispatcher": "^7.3|^8.0",
+        "symfony/filesystem": "^7.3|^8.0",
+        "symfony/finder": "^7.3|^8.0",
+        "symfony/process": "^7.3|^8.0",
+        "symfony/var-dumper": "^7.3|^8.0"
     },
     "autoload": {
         "psr-4": {
diff --git a/src/agent/composer.json b/src/agent/composer.json
index 73249209..bcc202ad 100644
--- a/src/agent/composer.json
+++ b/src/agent/composer.json
@@ -25,23 +25,23 @@
         "phpstan/phpdoc-parser": "^2.1",
         "psr/log": "^3.0",
         "symfony/ai-platform": "@dev",
-        "symfony/clock": "^6.4 || ^7.1",
-        "symfony/http-client": "^6.4 || ^7.1",
-        "symfony/property-access": "^6.4 || ^7.1",
-        "symfony/property-info": "^6.4 || ^7.1",
-        "symfony/serializer": "^6.4 || ^7.1",
-        "symfony/type-info": "^7.2.3"
+        "symfony/clock": "^7.3|^8.0",
+        "symfony/http-client": "^7.3|^8.0",
+        "symfony/property-access": "^7.3|^8.0",
+        "symfony/property-info": "^7.3|^8.0",
+        "symfony/serializer": "^7.3|^8.0",
+        "symfony/type-info": "^7.3|^8.0"
     },
     "require-dev": {
         "mrmysql/youtube-transcript": "^v0.0.5",
         "phpstan/phpstan": "^2.0",
         "phpunit/phpunit": "^11.5.13",
         "symfony/ai-store": "@dev",
-        "symfony/cache": "^6.4 || ^7.1",
-        "symfony/css-selector": "^6.4 || ^7.1",
-        "symfony/dom-crawler": "^6.4 || ^7.1",
-        "symfony/event-dispatcher": "^6.4 || ^7.1",
-        "symfony/http-foundation": "^6.4 || ^7.1"
+        "symfony/cache": "^7.3|^8.0",
+        "symfony/css-selector": "^7.3|^8.0",
+        "symfony/dom-crawler": "^7.3|^8.0",
+        "symfony/event-dispatcher": "^7.3|^8.0",
+        "symfony/http-foundation": "^7.3|^8.0"
     },
     "config": {
         "sort-packages": true
diff --git a/src/agent/tests/Toolbox/Tool/BraveTest.php b/src/agent/tests/Toolbox/Tool/BraveTest.php
index f196de3d..ee33e926 100644
--- a/src/agent/tests/Toolbox/Tool/BraveTest.php
+++ b/src/agent/tests/Toolbox/Tool/BraveTest.php
@@ -23,7 +23,7 @@ final class BraveTest extends TestCase
 {
     public function testReturnsSearchResults()
     {
-        $result = $this->jsonMockResponseFromFile(__DIR__.'/fixtures/brave.json');
+        $result = JsonMockResponse::fromFile(__DIR__.'/fixtures/brave.json');
         $httpClient = new MockHttpClient($result);
         $brave = new Brave($httpClient, 'test-api-key');
 
@@ -40,7 +40,7 @@ public function testReturnsSearchResults()
 
     public function testPassesCorrectParametersToApi()
     {
-        $result = $this->jsonMockResponseFromFile(__DIR__.'/fixtures/brave.json');
+        $result = JsonMockResponse::fromFile(__DIR__.'/fixtures/brave.json');
         $httpClient = new MockHttpClient($result);
         $brave = new Brave($httpClient, 'test-api-key', ['extra' => 'option']);
 
@@ -67,12 +67,4 @@ public function testHandlesEmptyResults()
 
         $this->assertEmpty($results);
     }
-
-    /**
-     * This can be replaced by `JsonMockResponse::fromFile` when dropping Symfony 6.4.
-     */
-    private function jsonMockResponseFromFile(string $file): JsonMockResponse
-    {
-        return new JsonMockResponse(json_decode(file_get_contents($file), true));
-    }
 }
diff --git a/src/agent/tests/Toolbox/Tool/OpenMeteoTest.php b/src/agent/tests/Toolbox/Tool/OpenMeteoTest.php
index bbcd58c1..50bd29a2 100644
--- a/src/agent/tests/Toolbox/Tool/OpenMeteoTest.php
+++ b/src/agent/tests/Toolbox/Tool/OpenMeteoTest.php
@@ -22,7 +22,7 @@ final class OpenMeteoTest extends TestCase
 {
     public function testCurrent()
     {
-        $result = $this->jsonMockResponseFromFile(__DIR__.'/fixtures/openmeteo-current.json');
+        $result = JsonMockResponse::fromFile(__DIR__.'/fixtures/openmeteo-current.json');
         $httpClient = new MockHttpClient($result);
 
         $openMeteo = new OpenMeteo($httpClient);
@@ -40,7 +40,7 @@ public function testCurrent()
 
     public function testForecast()
     {
-        $result = $this->jsonMockResponseFromFile(__DIR__.'/fixtures/openmeteo-forecast.json');
+        $result = JsonMockResponse::fromFile(__DIR__.'/fixtures/openmeteo-forecast.json');
         $httpClient = new MockHttpClient($result);
 
         $openMeteo = new OpenMeteo($httpClient);
@@ -69,12 +69,4 @@ public function testForecast()
 
         $this->assertSame($expected, $actual);
     }
-
-    /**
-     * This can be replaced by `JsonMockResponse::fromFile` when dropping Symfony 6.4.
-     */
-    private function jsonMockResponseFromFile(string $file): JsonMockResponse
-    {
-        return new JsonMockResponse(json_decode(file_get_contents($file), true));
-    }
 }
diff --git a/src/agent/tests/Toolbox/Tool/WikipediaTest.php b/src/agent/tests/Toolbox/Tool/WikipediaTest.php
index 1b752f2b..21ddf819 100644
--- a/src/agent/tests/Toolbox/Tool/WikipediaTest.php
+++ b/src/agent/tests/Toolbox/Tool/WikipediaTest.php
@@ -22,7 +22,7 @@ final class WikipediaTest extends TestCase
 {
     public function testSearchWithResults()
     {
-        $result = $this->jsonMockResponseFromFile(__DIR__.'/fixtures/wikipedia-search-result.json');
+        $result = JsonMockResponse::fromFile(__DIR__.'/fixtures/wikipedia-search-result.json');
         $httpClient = new MockHttpClient($result);
 
         $wikipedia = new Wikipedia($httpClient);
@@ -49,7 +49,7 @@ public function testSearchWithResults()
 
     public function testSearchWithoutResults()
     {
-        $result = $this->jsonMockResponseFromFile(__DIR__.'/fixtures/wikipedia-search-empty.json');
+        $result = JsonMockResponse::fromFile(__DIR__.'/fixtures/wikipedia-search-empty.json');
         $httpClient = new MockHttpClient($result);
 
         $wikipedia = new Wikipedia($httpClient);
@@ -62,7 +62,7 @@ public function testSearchWithoutResults()
 
     public function testArticleWithResult()
     {
-        $result = $this->jsonMockResponseFromFile(__DIR__.'/fixtures/wikipedia-article.json');
+        $result = JsonMockResponse::fromFile(__DIR__.'/fixtures/wikipedia-article.json');
         $httpClient = new MockHttpClient($result);
 
         $wikipedia = new Wikipedia($httpClient);
@@ -78,7 +78,7 @@ public function testArticleWithResult()
 
     public function testArticleWithRedirect()
     {
-        $result = $this->jsonMockResponseFromFile(__DIR__.'/fixtures/wikipedia-article-redirect.json');
+        $result = JsonMockResponse::fromFile(__DIR__.'/fixtures/wikipedia-article-redirect.json');
         $httpClient = new MockHttpClient($result);
 
         $wikipedia = new Wikipedia($httpClient);
@@ -96,7 +96,7 @@ public function testArticleWithRedirect()
 
     public function testArticleMissing()
     {
-        $result = $this->jsonMockResponseFromFile(__DIR__.'/fixtures/wikipedia-article-missing.json');
+        $result = JsonMockResponse::fromFile(__DIR__.'/fixtures/wikipedia-article-missing.json');
         $httpClient = new MockHttpClient($result);
 
         $wikipedia = new Wikipedia($httpClient);
@@ -106,12 +106,4 @@ public function testArticleMissing()
 
         $this->assertSame($expected, $actual);
     }
-
-    /**
-     * This can be replaced by `JsonMockResponse::fromFile` when dropping Symfony 6.4.
-     */
-    private function jsonMockResponseFromFile(string $file): JsonMockResponse
-    {
-        return new JsonMockResponse(json_decode(file_get_contents($file), true));
-    }
 }
diff --git a/src/ai-bundle/composer.json b/src/ai-bundle/composer.json
index f73ffbca..916c2161 100644
--- a/src/ai-bundle/composer.json
+++ b/src/ai-bundle/composer.json
@@ -18,16 +18,16 @@
         "symfony/ai-agent": "@dev",
         "symfony/ai-platform": "@dev",
         "symfony/ai-store": "@dev",
-        "symfony/config": "^6.4 || ^7.0",
-        "symfony/dependency-injection": "^6.4 || ^7.0",
-        "symfony/framework-bundle": "^6.4 || ^7.0",
-        "symfony/string": "^6.4 || ^7.0"
+        "symfony/config": "^7.3|^8.0",
+        "symfony/dependency-injection": "^7.3|^8.0",
+        "symfony/framework-bundle": "^7.3|^8.0",
+        "symfony/string": "^7.3|^8.0"
     },
     "require-dev": {
         "phpstan/phpstan": "^2.1",
         "phpunit/phpunit": "^11.5",
-        "symfony/expression-language": "^6.4 || ^7.0",
-        "symfony/security-core": "^6.4 || ^7.0"
+        "symfony/expression-language": "^7.3|^8.0",
+        "symfony/security-core": "^7.3|^8.0"
     },
     "config": {
         "sort-packages": true
diff --git a/src/mcp-bundle/composer.json b/src/mcp-bundle/composer.json
index 59bd7557..864e6fbe 100644
--- a/src/mcp-bundle/composer.json
+++ b/src/mcp-bundle/composer.json
@@ -10,14 +10,14 @@
         }
     ],
     "require": {
-        "symfony/config": "^6.4 || ^7.0",
-        "symfony/console": "^6.4 || ^7.0",
-        "symfony/dependency-injection": "^6.4 || ^7.0",
-        "symfony/framework-bundle": "^6.4 || ^7.0",
-        "symfony/http-foundation": "^6.4 || ^7.0",
-        "symfony/http-kernel": "^6.4 || ^7.0",
+        "symfony/config": "^7.3|^8.0",
+        "symfony/console": "^7.3|^8.0",
+        "symfony/dependency-injection": "^7.3|^8.0",
+        "symfony/framework-bundle": "^7.3|^8.0",
+        "symfony/http-foundation": "^7.3|^8.0",
+        "symfony/http-kernel": "^7.3|^8.0",
         "symfony/mcp-sdk": "@dev",
-        "symfony/routing": "^6.4 || ^7.0"
+        "symfony/routing": "^7.3|^8.0"
     },
     "require-dev": {
         "phpstan/phpstan": "^2.1",
diff --git a/src/mcp-sdk/composer.json b/src/mcp-sdk/composer.json
index e515ae89..ac520049 100644
--- a/src/mcp-sdk/composer.json
+++ b/src/mcp-sdk/composer.json
@@ -16,12 +16,13 @@
     "require": {
         "php": "^8.2",
         "psr/log": "^1.0 || ^2.0 || ^3.0",
-        "symfony/uid": "^6.4 || ^7.0"
+        "symfony/uid": "^7.3|^8.0"
     },
     "require-dev": {
         "phpstan/phpstan": "^2.1",
         "phpunit/phpunit": "^11.5",
-        "symfony/console": "^6.4 || ^7.0",
+        "symfony/console": "^7.3|^8.0",
+        "rector/rector": "^2.0",
         "psr/cache": "^3.0"
     },
     "suggest": {
diff --git a/src/mcp-sdk/examples/cli/composer.json b/src/mcp-sdk/examples/cli/composer.json
index 5975efcb..8c4729d8 100644
--- a/src/mcp-sdk/examples/cli/composer.json
+++ b/src/mcp-sdk/examples/cli/composer.json
@@ -12,7 +12,7 @@
     "require": {
         "php": ">=8.2",
         "symfony/mcp-sdk": "@dev",
-        "symfony/console": "^7.2"
+        "symfony/console": "^7.3|^8.0"
     },
     "minimum-stability": "stable",
     "autoload": {
diff --git a/src/platform/composer.json b/src/platform/composer.json
index d8d3b622..b74323fa 100644
--- a/src/platform/composer.json
+++ b/src/platform/composer.json
@@ -26,13 +26,13 @@
         "phpdocumentor/reflection-docblock": "^5.4",
         "phpstan/phpdoc-parser": "^2.1",
         "psr/log": "^3.0",
-        "symfony/clock": "^6.4 || ^7.1",
-        "symfony/http-client": "^6.4 || ^7.1",
-        "symfony/property-access": "^6.4 || ^7.1",
-        "symfony/property-info": "^6.4 || ^7.1",
-        "symfony/serializer": "^6.4 || ^7.1",
-        "symfony/type-info": "^7.2.3",
-        "symfony/uid": "^6.4 || ^7.1"
+        "symfony/clock": "^7.3|^8.0",
+        "symfony/http-client": "^7.3|^8.0",
+        "symfony/property-access": "^7.3|^8.0",
+        "symfony/property-info": "^7.3|^8.0",
+        "symfony/serializer": "^7.3|^8.0",
+        "symfony/type-info": "^7.3|^8.0",
+        "symfony/uid": "^7.3|^8.0"
     },
     "require-dev": {
         "async-aws/bedrock-runtime": "^0.1.0",
@@ -40,13 +40,13 @@
         "phpstan/phpstan": "^2.1.17",
         "phpstan/phpstan-symfony": "^2.0.6",
         "phpunit/phpunit": "^11.5",
-        "symfony/console": "^6.4 || ^7.1",
-        "symfony/dotenv": "^6.4 || ^7.1",
+        "symfony/console": "^7.3|^8.0",
+        "symfony/dotenv": "^7.3|^8.0",
         "symfony/ai-agent": "@dev",
-        "symfony/event-dispatcher": "^6.4 || ^7.1",
-        "symfony/finder": "^6.4 || ^7.1",
-        "symfony/process": "^6.4 || ^7.1",
-        "symfony/var-dumper": "^6.4 || ^7.1"
+        "symfony/event-dispatcher": "^7.3|^8.0",
+        "symfony/finder": "^7.3|^8.0",
+        "symfony/process": "^7.3|^8.0",
+        "symfony/var-dumper": "^7.3|^8.0"
     },
     "config": {
         "allow-plugins": {
diff --git a/src/platform/src/Bridge/Anthropic/ResultConverter.php b/src/platform/src/Bridge/Anthropic/ResultConverter.php
index 92edde31..0143d7e2 100644
--- a/src/platform/src/Bridge/Anthropic/ResultConverter.php
+++ b/src/platform/src/Bridge/Anthropic/ResultConverter.php
@@ -23,7 +23,6 @@
 use Symfony\AI\Platform\ResultConverterInterface;
 use Symfony\Component\HttpClient\Chunk\ServerSentEvent;
 use Symfony\Component\HttpClient\EventSourceHttpClient;
-use Symfony\Component\HttpClient\Exception\JsonException;
 use Symfony\Contracts\HttpClient\ResponseInterface as HttpResponse;
 
 /**
@@ -73,12 +72,7 @@ private function convertStream(HttpResponse $result): \Generator
                 continue;
             }
 
-            try {
-                $data = $chunk->getArrayData();
-            } catch (JsonException) {
-                // try catch only needed for Symfony 6.4
-                continue;
-            }
+            $data = $chunk->getArrayData();
 
             if ('content_block_delta' != $data['type'] || !isset($data['delta']['text'])) {
                 continue;
diff --git a/src/platform/src/Bridge/Mistral/Llm/ResultConverter.php b/src/platform/src/Bridge/Mistral/Llm/ResultConverter.php
index a6b84026..a5e40f70 100644
--- a/src/platform/src/Bridge/Mistral/Llm/ResultConverter.php
+++ b/src/platform/src/Bridge/Mistral/Llm/ResultConverter.php
@@ -25,7 +25,6 @@
 use Symfony\AI\Platform\ResultConverterInterface;
 use Symfony\Component\HttpClient\Chunk\ServerSentEvent;
 use Symfony\Component\HttpClient\EventSourceHttpClient;
-use Symfony\Component\HttpClient\Exception\JsonException;
 use Symfony\Contracts\HttpClient\ResponseInterface as HttpResponse;
 
 /**
@@ -72,12 +71,7 @@ private function convertStream(HttpResponse $result): \Generator
                 continue;
             }
 
-            try {
-                $data = $chunk->getArrayData();
-            } catch (JsonException) {
-                // try catch only needed for Symfony 6.4
-                continue;
-            }
+            $data = $chunk->getArrayData();
 
             if ($this->streamIsToolCall($data)) {
                 $toolCalls = $this->convertStreamToToolCalls($toolCalls, $data);
diff --git a/src/platform/src/Bridge/OpenAi/Gpt/ResultConverter.php b/src/platform/src/Bridge/OpenAi/Gpt/ResultConverter.php
index 72714e81..6f18f0e2 100644
--- a/src/platform/src/Bridge/OpenAi/Gpt/ResultConverter.php
+++ b/src/platform/src/Bridge/OpenAi/Gpt/ResultConverter.php
@@ -26,7 +26,6 @@
 use Symfony\AI\Platform\ResultConverterInterface as PlatformResponseConverter;
 use Symfony\Component\HttpClient\Chunk\ServerSentEvent;
 use Symfony\Component\HttpClient\EventSourceHttpClient;
-use Symfony\Component\HttpClient\Exception\JsonException;
 use Symfony\Contracts\HttpClient\ResponseInterface as HttpResponse;
 
 /**
@@ -69,12 +68,7 @@ private function convertStream(HttpResponse $result): \Generator
                 continue;
             }
 
-            try {
-                $data = $chunk->getArrayData();
-            } catch (JsonException) {
-                // try catch only needed for Symfony 6.4
-                continue;
-            }
+            $data = $chunk->getArrayData();
 
             if ($this->streamIsToolCall($data)) {
                 $toolCalls = $this->convertStreamToToolCalls($toolCalls, $data);
diff --git a/src/store/composer.json b/src/store/composer.json
index 9b89bb86..e2c4d8bf 100644
--- a/src/store/composer.json
+++ b/src/store/composer.json
@@ -30,9 +30,9 @@
         "ext-fileinfo": "*",
         "psr/log": "^3.0",
         "symfony/ai-platform": "@dev",
-        "symfony/clock": "^6.4 || ^7.1",
-        "symfony/http-client": "^6.4 || ^7.1",
-        "symfony/uid": "^6.4 || ^7.1"
+        "symfony/clock": "^7.3|^8.0",
+        "symfony/http-client": "^7.3|^8.0",
+        "symfony/uid": "^7.3|^8.0"
     },
     "require-dev": {
         "codewithkyrian/chromadb-php": "^0.2.1 || ^0.3 || ^0.4",