diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3e020be..abb1a58 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Release Notes for Element API
 
+## Unreleased
+
+- Updated Fractal to 0.20. ([#183](https://github.com/craftcms/element-api/pull/183))
+
 ## 3.0.1.1 - 2022-07-07
 
 ### Fixed
diff --git a/composer.json b/composer.json
index d6e5a9c..dce219c 100644
--- a/composer.json
+++ b/composer.json
@@ -27,7 +27,7 @@
   "prefer-stable": true,
   "require": {
     "craftcms/cms": "^4.0.0-RC3",
-    "league/fractal": "^0.18.0"
+    "league/fractal": "^0.20.1"
   },
   "require-dev": {
     "craftcms/ecs": "dev-main",
diff --git a/composer.lock b/composer.lock
index 0a7d20a..d208f5b 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "553f3d22886acd3bf5effdc3056868b8",
+    "content-hash": "393695a3b1d1e9e19ee64298aa11306f",
     "packages": [
         {
             "name": "cebe/markdown",
@@ -2090,28 +2090,30 @@
         },
         {
             "name": "league/fractal",
-            "version": "0.18.0",
+            "version": "0.20.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/thephpleague/fractal.git",
-                "reference": "4e553dae1a9402adbe11c81430a64675dc97b4fc"
+                "reference": "8b9d39b67624db9195c06f9c1ffd0355151eaf62"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/thephpleague/fractal/zipball/4e553dae1a9402adbe11c81430a64675dc97b4fc",
-                "reference": "4e553dae1a9402adbe11c81430a64675dc97b4fc",
+                "url": "https://api.github.com/repos/thephpleague/fractal/zipball/8b9d39b67624db9195c06f9c1ffd0355151eaf62",
+                "reference": "8b9d39b67624db9195c06f9c1ffd0355151eaf62",
                 "shasum": ""
             },
             "require": {
-                "php": ">=5.4"
+                "php": ">=7.4"
             },
             "require-dev": {
                 "doctrine/orm": "^2.5",
                 "illuminate/contracts": "~5.0",
-                "mockery/mockery": "~0.9",
+                "mockery/mockery": "^1.3",
                 "pagerfanta/pagerfanta": "~1.0.0",
-                "phpunit/phpunit": "^4.8.35 || ^7.5",
-                "squizlabs/php_codesniffer": "~1.5",
+                "phpstan/phpstan": "^1.4",
+                "phpunit/phpunit": "^9.5",
+                "squizlabs/php_codesniffer": "~3.4",
+                "vimeo/psalm": "^4.22",
                 "zendframework/zend-paginator": "~2.3"
             },
             "suggest": {
@@ -2122,7 +2124,7 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "0.13-dev"
+                    "dev-master": "0.20.x-dev"
                 }
             },
             "autoload": {
@@ -2152,9 +2154,9 @@
             ],
             "support": {
                 "issues": "https://github.com/thephpleague/fractal/issues",
-                "source": "https://github.com/thephpleague/fractal/tree/master"
+                "source": "https://github.com/thephpleague/fractal/tree/0.20.1"
             },
-            "time": "2019-05-10T02:16:43+00:00"
+            "time": "2022-04-11T12:47:17+00:00"
         },
         {
             "name": "mikehaertl/php-shellcommand",
diff --git a/src/JsonFeedV1Serializer.php b/src/JsonFeedV1Serializer.php
index 746c395..f48072e 100644
--- a/src/JsonFeedV1Serializer.php
+++ b/src/JsonFeedV1Serializer.php
@@ -17,7 +17,7 @@ class JsonFeedV1Serializer extends ArraySerializer
     /**
      * @inheritdoc
      */
-    public function collection($resourceKey, array $data)
+    public function collection($resourceKey, array $data): array
     {
         return ['items' => $data];
     }
@@ -25,7 +25,7 @@ public function collection($resourceKey, array $data)
     /**
      * @inheritdoc
      */
-    public function meta(array $meta)
+    public function meta(array $meta): array
     {
         return array_merge([
             'version' => 'https://jsonfeed.org/version/1.1',
@@ -38,7 +38,7 @@ public function meta(array $meta)
     /**
      * @inheritdoc
      */
-    public function paginator(PaginatorInterface $paginator)
+    public function paginator(PaginatorInterface $paginator): array
     {
         $currentPage = (int)$paginator->getCurrentPage();
         $lastPage = (int)$paginator->getLastPage();
diff --git a/src/PaginatorAdapter.php b/src/PaginatorAdapter.php
index 3533250..236a7b4 100644
--- a/src/PaginatorAdapter.php
+++ b/src/PaginatorAdapter.php
@@ -65,7 +65,7 @@ public function __construct($elementsPerPage, $totalElements, $pageParam)
      *
      * @return int
      */
-    public function getCurrentPage()
+    public function getCurrentPage(): int
     {
         return $this->currentPage;
     }
@@ -75,7 +75,7 @@ public function getCurrentPage()
      *
      * @return int
      */
-    public function getLastPage()
+    public function getLastPage(): int
     {
         return $this->totalPages;
     }
@@ -85,7 +85,7 @@ public function getLastPage()
      *
      * @return int
      */
-    public function getTotal()
+    public function getTotal(): int
     {
         return $this->totalElements;
     }
@@ -95,7 +95,7 @@ public function getTotal()
      *
      * @return int
      */
-    public function getCount()
+    public function getCount(): int
     {
         return $this->count;
     }
@@ -115,7 +115,7 @@ public function setCount($count)
      *
      * @return int
      */
-    public function getPerPage()
+    public function getPerPage(): int
     {
         return $this->elementsPerPage;
     }
@@ -126,7 +126,7 @@ public function getPerPage()
      * @param int $page
      * @return string
      */
-    public function getUrl($page)
+    public function getUrl($page): string
     {
         $request = Craft::$app->getRequest();