diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 7173ffd..7d4a278 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -12,16 +12,16 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        php: [8.1, 8.2, 8.3]
+        php: [8.3, 8.4, 8.5]
         deps: [highest]
-        symfony: [6.4.*, 7.0.*]
+        symfony: [6.4.*, 7.4.*, 8.0.*]
         include:
-          - php: 8.1
+          - php: 8.3
             deps: lowest
             symfony: '*'
         exclude:
-          - php: 8.1
-            symfony: 7.0.*
+          - php: 8.3
+            symfony: 8.0.*
     steps:
       - uses: zenstruck/.github/actions/php-test-symfony@main
         with:
@@ -31,12 +31,18 @@ jobs:
 
   code-coverage:
     uses: zenstruck/.github/.github/workflows/php-coverage-codecov.yml@main
+    with:
+      php: 8.3
 
   composer-validate:
     uses: zenstruck/.github/.github/workflows/php-composer-validate.yml@main
+    with:
+      php: 8.3
 
   sca:
     uses: zenstruck/.github/.github/workflows/php-stan.yml@main
+    with:
+      php: 8.3
 
   fixcs:
     name: Run php-cs-fixer
@@ -46,7 +52,7 @@ jobs:
     steps:
       - uses: zenstruck/.github/actions/php-cs-fixer@main
         with:
-          php: 8.0
+          php: 8.3
           key: ${{ secrets.GPG_PRIVATE_KEY }}
           token: ${{ secrets.COMPOSER_TOKEN }}
 
diff --git a/composer.json b/composer.json
index 4f15e22..b2f029d 100644
--- a/composer.json
+++ b/composer.json
@@ -12,12 +12,12 @@
         }
     ],
     "require": {
-        "php": ">=8.1",
+        "php": ">=8.3",
         "symfony/browser-kit": "^6.4|^7.0|^8.0",
         "symfony/css-selector": "^6.4|^7.0|^8.0",
         "symfony/dom-crawler": "^6.4|^7.0|^8.0",
         "symfony/framework-bundle": "^6.4|^7.0|^8.0",
-        "zenstruck/assert": "^1.1",
+        "zenstruck/assert": "^1.4",
         "zenstruck/callback": "^1.4.2",
         "zenstruck/dom": "^1.0"
     },
diff --git a/src/Browser/KernelBrowser.php b/src/Browser/KernelBrowser.php
index 7561bc3..ef05b3b 100644
--- a/src/Browser/KernelBrowser.php
+++ b/src/Browser/KernelBrowser.php
@@ -51,7 +51,7 @@ final public function __construct(SymfonyKernelBrowser $client, array $options =
         $client->followRedirects((bool) ($options['follow_redirects'] ?? true));
         $client->catchExceptions((bool) ($options['catch_exceptions'] ?? true));
 
-        parent::__construct($this->session = new KernelSession($client), $options); // @phpstan-ignore argument.type
+        parent::__construct($this->session = new KernelSession($client), $options);
     }
 
     /**
@@ -626,7 +626,7 @@ private function securityToken(): ?TokenInterface
      */
     private function normalizedContentType(): ?string
     {
-        $contentType = (string) $this->client()->getInternalResponse()->getHeader('Content-Type'); // @phpstan-ignore-line
+        $contentType = (string) $this->client()->getInternalResponse()->getHeader('Content-Type');
 
         return match (true) {
             \str_contains($contentType, 'json') => 'json',
diff --git a/src/Browser/Session/KernelSession.php b/src/Browser/Session/KernelSession.php
index aade822..b19acc8 100644
--- a/src/Browser/Session/KernelSession.php
+++ b/src/Browser/Session/KernelSession.php
@@ -226,7 +226,7 @@ private function formFieldFor(Field $node): FormField
         $field = $form->get($name);
 
         if (\is_array($field)) {
-            return $field[$this->fieldPositionFor($node)]; // @phpstan-ignore-line
+            return $field[$this->fieldPositionFor($node)];
         }
 
         return $field;