diff --git a/composer.json b/composer.json
index fbf5d06..606fdbc 100644
--- a/composer.json
+++ b/composer.json
@@ -6,10 +6,10 @@
         "php": ">=7.2",
         "psr/http-client": "^1.0",
         "psr/http-factory": "^1.0",
-        "symfony/config": "^4.4 || ^5.3 || ^6.0",
-        "symfony/dependency-injection": "^4.4 || ^5.3 || ^6.0",
-        "symfony/framework-bundle": "^4.4 || ^5.3 || ^6.0",
-        "symfony/http-kernel": "^4.4 || ^5.3 || ^6.0",
+        "symfony/config": "^4.4 || ^5.3 || ^6.0 || ^7.0",
+        "symfony/dependency-injection": "^4.4 || ^5.3 || ^6.0 || ^7.0",
+        "symfony/framework-bundle": "^4.4 || ^5.3 || ^6.0 || ^7.0",
+        "symfony/http-kernel": "^4.4 || ^5.3 || ^6.0 || ^7.0",
         "twig/twig": "^2.14 || ^3.3"
     },
     "require-dev": {
diff --git a/src/DependencyInjection/Configuration.php b/src/DependencyInjection/Configuration.php
index d33c840..4ffdf8b 100644
--- a/src/DependencyInjection/Configuration.php
+++ b/src/DependencyInjection/Configuration.php
@@ -16,7 +16,7 @@
  */
 class Configuration implements ConfigurationInterface
 {
-    public function getConfigTreeBuilder()
+    public function getConfigTreeBuilder(): TreeBuilder
     {
         $treeBuilder = new TreeBuilder('wordpress');
         $root = $treeBuilder->getRootNode();
diff --git a/src/DependencyInjection/WordpressExtension.php b/src/DependencyInjection/WordpressExtension.php
index 32d74d9..e9be818 100644
--- a/src/DependencyInjection/WordpressExtension.php
+++ b/src/DependencyInjection/WordpressExtension.php
@@ -23,7 +23,7 @@ class WordpressExtension extends Extension
     /**
      * {@inheritdoc}
      */
-    public function load(array $configs, ContainerBuilder $container)
+    public function load(array $configs, ContainerBuilder $container): void
     {
         $configuration = $this->getConfiguration($configs, $container);
         $config = $this->processConfiguration($configuration, $configs);
@@ -53,7 +53,7 @@ public function load(array $configs, ContainerBuilder $container)
         $this->configureParsers($container, $config['parser']);
     }
 
-    private function configureParsers(ContainerBuilder $container, array $config)
+    private function configureParsers(ContainerBuilder $container, array $config): void
     {
         $parsers = ['image' => RewriteImageReferences::class, 'link' => RewriteLinks::class, 'url' => RewriteUrls::class];
         foreach ($parsers as $key => $serviceId) {
diff --git a/src/Model/Page.php b/src/Model/Page.php
index c71f511..cc4b3a3 100644
--- a/src/Model/Page.php
+++ b/src/Model/Page.php
@@ -48,6 +48,10 @@ class Page
     private $categories;
     /** @var array */
     private $tags;
+    /** @var array */
+    private $acf;
+    /** @var array */
+    private $yoastHeadJson;
 
     public function __construct(array $data = [])
     {
@@ -83,12 +87,14 @@ public function __construct(array $data = [])
         $this->featuredMedia = $data['featured_media'];
         $this->commentStatus = $data['comment_status'];
         $this->pingStatus = $data['ping_status'];
-        $this->sticky = $data['sticky'];
+        $this->sticky = $data['sticky'] ?? false;
         $this->template = $data['template'];
-        $this->format = $data['format'];
-        $this->meta = $data['meta'];
-        $this->categories = $data['categories'];
-        $this->tags = $data['tags'];
+        $this->format = $data['format'] ?? null;
+        $this->meta = $data['meta'] ?? null;
+        $this->categories = $data['categories'] ?? null;
+        $this->tags = $data['tags'] ?? null;
+        $this->acf = $data['acf'] ?? [];
+        $this->yoastHeadJson = $data['yoast_head_json'] ?? [];
     }
 
     public function getId(): int
@@ -300,4 +306,45 @@ public function setTags(array $tags): void
     {
         $this->tags = $tags;
     }
+
+    /**
+     * Get the value of acf
+     */ 
+    public function getAcf(): ?array
+    {
+        return $this->acf;
+    }
+
+    /**
+     * Set the value of acf
+     *
+     * @return  self
+     */ 
+    public function setAcf(?array $acf)
+    {
+        $this->acf = $acf;
+
+        return $this;
+    }
+
+    /**
+     * Get the value of yoastHeadJson
+     */ 
+    public function getYoastHeadJson(): ?array
+    {
+        return $this->yoastHeadJson;
+    }
+
+    /**
+     * Set the value of yoastHeadJson
+     *
+     * @return  self
+     */ 
+    public function setYoastHeadJson(?array $yoastHeadJson)
+    {
+        $this->yoastHeadJson = $yoastHeadJson;
+
+        return $this;
+    }
+
 }