diff --git a/composer.json b/composer.json
index ef4273d..a1b09e2 100644
--- a/composer.json
+++ b/composer.json
@@ -13,10 +13,11 @@
         "hansott/psr7-cookies": "^2.0 || ^1.0",
         "psr/http-message": "^1.0",
         "react/cache": "^0.5.0 || ^0.6.0 || ^1.0.0",
-        "react/http": "^1.0.0",
+        "react/http": "^1.0 || ^0.8",
         "react/promise": "^2.7"
     },
     "require-dev": {
+        "thecodingmachine/safe": "^0.1 || ^1.0",
         "wyrihaximus/async-test-utilities": "^1.1"
     },
     "config": {
diff --git a/composer.lock b/composer.lock
index 9949808..4c31877 100644
--- a/composer.lock
+++ b/composer.lock
@@ -1,10 +1,10 @@
 {
     "_readme": [
         "This file locks the dependencies of your project to a known state",
-        "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#composer-lock-the-lock-file",
+        "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "6521d4ee26bc1e241fc82482c738acaf",
+    "content-hash": "86727d999320e55e6322f0017dcd12e2",
     "packages": [
         {
             "name": "evenement/evenement",
@@ -286,16 +286,16 @@
         },
         {
             "name": "react/http",
-            "version": "v1.0.0",
+            "version": "v1.1.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/reactphp/http.git",
-                "reference": "865694453c95122f8972b9ed7961efb3c517fc5e"
+                "reference": "754b0c18545d258922ffa907f3b18598280fdecd"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/reactphp/http/zipball/865694453c95122f8972b9ed7961efb3c517fc5e",
-                "reference": "865694453c95122f8972b9ed7961efb3c517fc5e",
+                "url": "https://api.github.com/repos/reactphp/http/zipball/754b0c18545d258922ffa907f3b18598280fdecd",
+                "reference": "754b0c18545d258922ffa907f3b18598280fdecd",
                 "shasum": ""
             },
             "require": {
@@ -305,8 +305,8 @@
                 "react/event-loop": "^1.0 || ^0.5",
                 "react/promise": "^2.3 || ^1.2.1",
                 "react/promise-stream": "^1.1",
-                "react/socket": "^1.1",
-                "react/stream": "^1.0 || ^0.7.5",
+                "react/socket": "^1.6",
+                "react/stream": "^1.1",
                 "ringcentral/psr7": "^1.2"
             },
             "require-dev": {
@@ -314,7 +314,7 @@
                 "clue/http-proxy-react": "^1.3",
                 "clue/reactphp-ssh-proxy": "^1.0",
                 "clue/socks-react": "^1.0",
-                "phpunit/phpunit": "^9.0 || ^5.7 || ^4.8.35"
+                "phpunit/phpunit": "^9.3 || ^5.7 || ^4.8.35"
             },
             "type": "library",
             "autoload": {
@@ -362,7 +362,17 @@
                 "server",
                 "streaming"
             ],
-            "time": "2020-07-11T13:29:43+00:00"
+            "funding": [
+                {
+                    "url": "https://github.com/WyriHaximus",
+                    "type": "github"
+                },
+                {
+                    "url": "https://github.com/clue",
+                    "type": "github"
+                }
+            ],
+            "time": "2020-09-11T11:01:51+00:00"
         },
         {
             "name": "react/promise",
@@ -7151,5 +7161,6 @@
     "platform-dev": [],
     "platform-overrides": {
         "php": "7.3"
-    }
+    },
+    "plugin-api-version": "1.1.0"
 }
diff --git a/phpstan.neon b/phpstan.neon
index 6dec066..a8f2b92 100644
--- a/phpstan.neon
+++ b/phpstan.neon
@@ -3,8 +3,10 @@ parameters:
 		- '#Constructor in [a-zA-Z0-9\\_]+ has parameter \$[a-zA-Z0-9_]+ with default value.#'
 		- '#Method [a-zA-Z0-9\\_]+::[a-zA-Z0-9_]+\(\) has parameter \$[a-zA-Z0-9_]+ with a nullable type declaration.#'
 		- '#Method [a-zA-Z0-9\\_]+::[a-zA-Z0-9_]+\(\) has parameter \$[a-zA-Z0-9_]+ with null as default value.#'
+		- '#Array \(array<string, mixed>\) does not accept key int|string.#'
+		- '#In method \"WyriHaximus\\React\\Http\\Middleware\\SessionMiddleware::fetchSessionFromRequest\", caught \"Throwable\" must be rethrown.#'
 	classesAllowedToBeExtended:
 		- ApiClients\Tools\TestUtilities\TestCase
 
 includes:
-	- vendor/wyrihaximus/async-test-utilities/rules.neon
\ No newline at end of file
+	- vendor/wyrihaximus/async-test-utilities/rules.neon
diff --git a/src/Session.php b/src/Session.php
index a1eb4f4..501b75d 100644
--- a/src/Session.php
+++ b/src/Session.php
@@ -10,7 +10,7 @@ final class Session
     private $id;
 
     /**
-     * @var array
+     * @var array<string, mixed>
      */
     private $contents;
 
@@ -30,9 +30,9 @@ final class Session
     private $status = \PHP_SESSION_NONE;
 
     /**
-     * @param string             $id
-     * @param array              $contents
-     * @param SessionIdInterface $sessionId
+     * @param string               $id
+     * @param array<string, mixed> $contents
+     * @param SessionIdInterface   $sessionId
      */
     public function __construct(string $id, array $contents, SessionIdInterface $sessionId)
     {
@@ -54,7 +54,7 @@ public function getId(): string
     }
 
     /**
-     * @param array $contents
+     * @param array<string, mixed> $contents
      */
     public function setContents(array $contents): void
     {
@@ -62,7 +62,7 @@ public function setContents(array $contents): void
     }
 
     /**
-     * @return array
+     * @return array<string, mixed>
      */
     public function getContents(): array
     {
@@ -123,6 +123,9 @@ public function regenerate(): bool
         return true;
     }
 
+    /**
+     * @return array<string, mixed>
+     */
     public function toArray(): array
     {
         return [
@@ -134,14 +137,14 @@ public function toArray(): array
     }
 
     /**
-     * @param  array                     $session
+     * @param  array<string, mixed>      $session
      * @param  bool                      $clone
      * @throws \InvalidArgumentException
      * @return Session
      */
     public function fromArray(array $session, bool $clone = true): self
     {
-        if (!isset($session['id']) || !isset($session['contents']) || !isset($session['oldIds']) || !isset($session['status'])) {
+        if (!\array_key_exists('id', $session) || !\array_key_exists('contents', $session) || !\array_key_exists('oldIds', $session) || !\array_key_exists('status', $session)) {
             throw new \InvalidArgumentException('Session array most contain "id", "contents", "oldIds", and "status".');
         }
 
diff --git a/src/SessionMiddleware.php b/src/SessionMiddleware.php
index 426bded..1cdca22 100644
--- a/src/SessionMiddleware.php
+++ b/src/SessionMiddleware.php
@@ -47,7 +47,7 @@ final class SessionMiddleware
     /**
      * @param string                  $cookieName
      * @param CacheInterface          $cache
-     * @param array                   $cookieParams
+     * @param array<int, mixed>       $cookieParams
      * @param SessionIdInterface|null $sessionId
      */
     public function __construct(
@@ -107,6 +107,7 @@ private function fetchSessionFromRequest(ServerRequestInterface $request): Promi
             });
         } catch (Throwable $et) {
             // Do nothing, only a not found will be thrown so generating our own id now
+            // @ignoreException
         }
 
         return resolve(new Session($id, [], $this->sessionId));
diff --git a/tests/InspectableArrayCache.php b/tests/InspectableArrayCache.php
index 6d81be0..4b38079 100644
--- a/tests/InspectableArrayCache.php
+++ b/tests/InspectableArrayCache.php
@@ -9,11 +9,11 @@
 
 final class InspectableArrayCache implements CacheInterface
 {
-    /** @var array */
+    /** @var array<string, mixed|null> */
     private $data = [];
 
     /**
-     * @return array
+     * @return array<string, mixed|null>
      */
     public function getData(): array
     {
@@ -27,7 +27,7 @@ public function getData(): array
      */
     public function get($key, $default = null): PromiseInterface
     {
-        if (!isset($this->data[$key])) {
+        if (!\array_key_exists($key, $this->data)) {
             return resolve($default);
         }
 
@@ -67,7 +67,7 @@ public function getMultiple(array $keys, $default = null)
     {
         $items = [];
         foreach ($keys as $key) {
-            if (isset($this->data[$key])) {
+            if (!\array_key_exists($key, $this->data)) {
                 $items[$key] = $this->data[$key];
 
                 continue;
@@ -123,6 +123,6 @@ public function clear()
      */
     public function has($key)
     {
-        return resolve(isset($this->data[$key]));
+        return resolve(\array_key_exists($key, $this->data));
     }
 }
diff --git a/tests/SessionId/RandomBytesTest.php b/tests/SessionId/RandomBytesTest.php
index 843ab70..6438704 100644
--- a/tests/SessionId/RandomBytesTest.php
+++ b/tests/SessionId/RandomBytesTest.php
@@ -28,7 +28,7 @@ public function testGenerate(int $size): void
         for ($i = 0; $i < 15; $i++) {
             $id = $randomBytes->generate();
             /** @var string $id */
-            $id = \hex2bin($id);
+            $id = \Safe\hex2bin($id);
             self::assertSame($size, \strlen($id));
         }
     }
diff --git a/tests/SessionMiddlewareTest.php b/tests/SessionMiddlewareTest.php
index dcf0b5c..315ee64 100644
--- a/tests/SessionMiddlewareTest.php
+++ b/tests/SessionMiddlewareTest.php
@@ -405,7 +405,7 @@ function () {
 
                 return [
                     $t,
-                    \sprintf(
+                    \Safe\sprintf(
                         '; expires=%s',
                         \gmdate('D, d-M-Y H:i:s T', \time() + $t)
                     ),
@@ -419,7 +419,7 @@ function () {
 
                 return [
                     $t,
-                    \sprintf(
+                    \Safe\sprintf(
                         '; expires=%s',
                         \gmdate('D, d-M-Y H:i:s T', \time() + $t)
                     ),
@@ -433,7 +433,7 @@ function () {
 
                 return [
                     $t,
-                    \sprintf(
+                    \Safe\sprintf(
                         '; expires=%s',
                         \gmdate('D, d-M-Y H:i:s T', \time() + $t)
                     ),
diff --git a/tests/SessionTest.php b/tests/SessionTest.php
index e844cb1..405dc39 100644
--- a/tests/SessionTest.php
+++ b/tests/SessionTest.php
@@ -177,6 +177,8 @@ public function provideSessionArrayWithMissingItems(): iterable
 
     /**
      * @dataProvider provideSessionArrayWithMissingItems
+     *
+     * @param array<string, string> $session
      */
     public function testFromArrayThrowsOnMissingElements(array $session): void
     {