diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index a6d30e4..14dd9a5 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -9,8 +9,8 @@ jobs:
         strategy:
             fail-fast: true
             matrix:
-                php: [7.4, 8.0]
-                laravel: [8.*]
+                php: [7.4, 8.0, 8.1]
+                laravel: [8.*, 9.*]
                 dependency-version: [prefer-lowest, prefer-stable]
 
         name: P${{ matrix.php }} - L${{ matrix.laravel }} - ${{ matrix.dependency-version }}
diff --git a/CHANGELOG.md b/CHANGELOG.md
index ece8a06..c3fd2fb 100755
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,10 @@ All notable changes to `netgsm` will be documented in this file
 
 ## Unreleased
 
+## [4.3.0] - 2022-02-08
+
+- Laravel 9 support added.
+
 ## [4.2.0] - 2021-06-03
 
 - PHP 8 support added.
diff --git a/composer.json b/composer.json
index 7701393..bb4a217 100755
--- a/composer.json
+++ b/composer.json
@@ -31,11 +31,11 @@
         }
     ],
     "require": {
-        "php": "^7.4 || ^8.0",
+        "php": "^7.4|^8.0|^8.1",
         "guzzlehttp/guzzle": "^7.1",
-        "illuminate/support": "^8.0",
-        "illuminate/notifications": "^8.0",
-        "illuminate/translation": "^8.0",
+        "illuminate/support": "^8.0|^9.0",
+        "illuminate/notifications": "^8.0|^9.0",
+        "illuminate/translation": "^8.0|^9.0",
         "nesbot/carbon": "^2.0",
         "ext-simplexml": "*"
     },
@@ -43,7 +43,7 @@
         "fakerphp/faker": "^1.14",
         "phpunit/phpunit": "^9.4",
         "mockery/mockery": "^1.4",
-        "orchestra/testbench": "^6.0"
+        "orchestra/testbench": "^6.0|^7.0"
     },
     "autoload": {
         "psr-4": {
diff --git a/src/Balance/NetgsmAvailableCredit.php b/src/Balance/NetgsmAvailableCredit.php
index 48c6182..f00c1fc 100644
--- a/src/Balance/NetgsmAvailableCredit.php
+++ b/src/Balance/NetgsmAvailableCredit.php
@@ -39,6 +39,7 @@ class NetgsmAvailableCredit extends NetgsmApiClient
      * extracts credit from the returned response.
      *
      * @return string
+     *
      * @throws NetgsmException
      */
     public function parseResponse(): ?string
diff --git a/src/Balance/NetgsmPackages.php b/src/Balance/NetgsmPackages.php
index 11238a9..14b86d0 100644
--- a/src/Balance/NetgsmPackages.php
+++ b/src/Balance/NetgsmPackages.php
@@ -32,6 +32,7 @@ class NetgsmPackages extends NetgsmApiClient
      * handles the response and return the package list as an array.
      *
      * @return array
+     *
      * @throws NetgsmException
      */
     public function parseResponse(): array
@@ -61,6 +62,7 @@ public function parseResponse(): array
      * returns the packages list for associated netgsm account.
      *
      * @return array
+     *
      * @throws GuzzleException
      * @throws NetgsmException
      */
diff --git a/src/Exceptions/CouldNotSendNotification.php b/src/Exceptions/CouldNotSendNotification.php
index 42c7096..fd9e1a1 100644
--- a/src/Exceptions/CouldNotSendNotification.php
+++ b/src/Exceptions/CouldNotSendNotification.php
@@ -9,8 +9,7 @@ class CouldNotSendNotification extends AbstractNetgsmException
     /**
      * Thrown when there's a bad request and an error is responded.
      *
-     * @param ClientException $exception
-     *
+     * @param  ClientException  $exception
      * @return static
      */
     public static function NetgsmRespondedWithAnError(ClientException $exception)
diff --git a/src/Iys/NetgsmIys.php b/src/Iys/NetgsmIys.php
index 97d346f..3a3a8be 100644
--- a/src/Iys/NetgsmIys.php
+++ b/src/Iys/NetgsmIys.php
@@ -10,7 +10,7 @@ class NetgsmIys extends AbstractNetgsmIys
     /**
      * Add address request.
      *
-     * @param Add $request
+     * @param  Add  $request
      * @return $this
      */
     public function addAddress(Add $request): NetgsmIys
@@ -25,7 +25,7 @@ public function addAddress(Add $request): NetgsmIys
     /**
      * Search address request.
      *
-     * @param Search $request
+     * @param  Search  $request
      * @return $this
      */
     public function searchAddress(Search $request): NetgsmIys
diff --git a/src/Iys/Requests/Add.php b/src/Iys/Requests/Add.php
index b64b7aa..3cf2d47 100644
--- a/src/Iys/Requests/Add.php
+++ b/src/Iys/Requests/Add.php
@@ -25,7 +25,7 @@ class Add
     protected ?int $retailerAccess;
 
     /**
-     * @param string $refId
+     * @param  string  $refId
      * @return $this
      */
     public function setRefId(string $refId): self
@@ -36,7 +36,7 @@ public function setRefId(string $refId): self
     }
 
     /**
-     * @param string $type
+     * @param  string  $type
      * @return $this
      */
     public function setType(string $type): self
@@ -47,7 +47,7 @@ public function setType(string $type): self
     }
 
     /**
-     * @param string $source
+     * @param  string  $source
      * @return $this
      */
     public function setSource(string $source): self
@@ -58,7 +58,7 @@ public function setSource(string $source): self
     }
 
     /**
-     * @param string $recipient
+     * @param  string  $recipient
      * @return $this
      */
     public function setRecipient(string $recipient): self
@@ -69,7 +69,7 @@ public function setRecipient(string $recipient): self
     }
 
     /**
-     * @param string $status
+     * @param  string  $status
      * @return $this
      */
     public function setStatus(string $status): self
@@ -80,7 +80,7 @@ public function setStatus(string $status): self
     }
 
     /**
-     * @param string $consentDate
+     * @param  string  $consentDate
      * @return $this
      */
     public function setConsentDate(string $consentDate): self
@@ -91,7 +91,7 @@ public function setConsentDate(string $consentDate): self
     }
 
     /**
-     * @param string $recipientType
+     * @param  string  $recipientType
      * @return $this
      */
     public function setRecipientType(string $recipientType): self
@@ -102,7 +102,7 @@ public function setRecipientType(string $recipientType): self
     }
 
     /**
-     * @param int|null $retailerCode
+     * @param  int|null  $retailerCode
      * @return $this
      */
     public function setRetailerCode(?int $retailerCode): self
@@ -113,7 +113,7 @@ public function setRetailerCode(?int $retailerCode): self
     }
 
     /**
-     * @param int|null $retailerAccess
+     * @param  int|null  $retailerAccess
      * @return $this
      */
     public function setRetailerAccess(?int $retailerAccess): self
@@ -124,7 +124,7 @@ public function setRetailerAccess(?int $retailerAccess): self
     }
 
     /**
-     * @param array $defaults
+     * @param  array  $defaults
      * @return $this
      */
     public function setDefaults(array $defaults): self
diff --git a/src/Iys/Requests/Search.php b/src/Iys/Requests/Search.php
index 0b16d89..5b4eaad 100644
--- a/src/Iys/Requests/Search.php
+++ b/src/Iys/Requests/Search.php
@@ -15,7 +15,7 @@ class Search
     protected string $refId;
 
     /**
-     * @param string $type
+     * @param  string  $type
      * @return $this
      */
     public function setType(string $type): self
@@ -26,7 +26,7 @@ public function setType(string $type): self
     }
 
     /**
-     * @param string $recipient
+     * @param  string  $recipient
      * @return $this
      */
     public function setRecipient(string $recipient): self
@@ -37,7 +37,7 @@ public function setRecipient(string $recipient): self
     }
 
     /**
-     * @param string $recipientType
+     * @param  string  $recipientType
      * @return $this
      */
     public function setRecipientType(string $recipientType): self
@@ -48,7 +48,7 @@ public function setRecipientType(string $recipientType): self
     }
 
     /**
-     * @param string $refId
+     * @param  string  $refId
      * @return $this
      */
     public function setRefId(string $refId): self
@@ -59,7 +59,7 @@ public function setRefId(string $refId): self
     }
 
     /**
-     * @param array $defaults
+     * @param  array  $defaults
      * @return $this
      */
     public function setDefaults(array $defaults): self
diff --git a/src/Netgsm.php b/src/Netgsm.php
index c6d6cee..6162fbe 100644
--- a/src/Netgsm.php
+++ b/src/Netgsm.php
@@ -21,6 +21,7 @@ class Netgsm
 
     /**
      * Netgsm constructor.
+     *
      * @param  Client  $client
      * @param  array  $credentials
      * @param  array  $defaults
@@ -35,6 +36,7 @@ public function __construct(Client $client, array $credentials = [], array $defa
     /**
      * @param  AbstractNetgsmMessage  $netgsmMessage
      * @return mixed
+     *
      * @throws CouldNotSendNotification
      * @throws Exceptions\IncorrectPhoneNumberFormatException
      * @throws GuzzleException
@@ -62,6 +64,7 @@ public function sendSms(AbstractNetgsmMessage $netgsmMessage)
      * @param $endDate
      * @param  array  $filters
      * @return Collection
+     *
      * @throws GuzzleException
      * @throws Exceptions\ReportException
      */
@@ -100,6 +103,7 @@ public function getReports(
      * Returns the remaining credits amount (TL) on the netgsm account.
      *
      * @return string
+     *
      * @throws Exceptions\NetgsmException
      * @throws GuzzleException
      */
@@ -116,6 +120,7 @@ public function getCredit()
      * Returns the available package list and their balances on the netgsm account.
      *
      * @return array
+     *
      * @throws Exceptions\NetgsmException
      * @throws GuzzleException
      */
diff --git a/src/NetgsmApiClient.php b/src/NetgsmApiClient.php
index e219fb5..9c8bd17 100644
--- a/src/NetgsmApiClient.php
+++ b/src/NetgsmApiClient.php
@@ -47,6 +47,7 @@ public function setCredentials(array $credentials): self
      * @param  null  $params
      * @param  array  $headers
      * @return string
+     *
      * @throws GuzzleException
      */
     protected function callApi($method, $url, $params = null, $headers = [])
diff --git a/src/NetgsmChannel.php b/src/NetgsmChannel.php
index d3ed363..348b056 100644
--- a/src/NetgsmChannel.php
+++ b/src/NetgsmChannel.php
@@ -20,8 +20,9 @@ public function __construct(Netgsm $netgsm)
     /**
      * Send the given notification.
      *
-     * @param              $notifiable
-     * @param Notification $notification
+     * @param  $notifiable
+     * @param  Notification  $notification
+     *
      * @throws Exceptions\CouldNotSendNotification
      * @throws GuzzleException
      * @throws IncorrectPhoneNumberFormatException
diff --git a/src/Report/AbstractNetgsmReport.php b/src/Report/AbstractNetgsmReport.php
index 4d66f2e..7b17f67 100644
--- a/src/Report/AbstractNetgsmReport.php
+++ b/src/Report/AbstractNetgsmReport.php
@@ -153,6 +153,7 @@ protected function formatValue($value, $format)
      * returns the netgsm basic sms reports as a collection.
      *
      * @return Collection
+     *
      * @throws GuzzleException
      * @throws ReportException
      */
@@ -191,6 +192,7 @@ public function getReports(): Collection
      *
      * @param $response
      * @return bool
+     *
      * @throws ReportException
      */
     public function validateResponse($response): bool
diff --git a/src/Report/NetgsmSmsDetailReport.php b/src/Report/NetgsmSmsDetailReport.php
index a8cd619..fe22357 100644
--- a/src/Report/NetgsmSmsDetailReport.php
+++ b/src/Report/NetgsmSmsDetailReport.php
@@ -47,6 +47,7 @@ class NetgsmSmsDetailReport extends AbstractNetgsmReport
     /**
      * Sets the Netgsm service bulkId
      * If bulkId is set, type value is set to 0.
+     *
      * @see https://www.netgsm.com.tr/dokuman/#http-get-rapor
      *
      * @param  mixed  $bulkId
@@ -85,6 +86,7 @@ public function processRow($line): array
      *
      * @param $response
      * @return Collection
+     *
      * @throws \TarfinLabs\Netgsm\Exceptions\ReportException
      */
     public function parseResponse(string $response): Collection
diff --git a/src/Report/NetgsmSmsReport.php b/src/Report/NetgsmSmsReport.php
index 0512a69..fd1a842 100644
--- a/src/Report/NetgsmSmsReport.php
+++ b/src/Report/NetgsmSmsReport.php
@@ -77,6 +77,7 @@ class NetgsmSmsReport extends AbstractNetgsmReport
     /**
      * Sets the Netgsm service bulkId
      * If bulkId is set, type value is set to 1.
+     *
      * @see https://www.netgsm.com.tr/dokuman/#http-get-rapor
      *
      * @param  string  $bulkId
@@ -119,6 +120,7 @@ protected function processRow(string $line): array
      *
      * @param  string  $response
      * @return Collection
+     *
      * @throws \TarfinLabs\Netgsm\Exceptions\ReportException
      */
     public function parseResponse(string $response): Collection
diff --git a/src/Sms/AbstractNetgsmMessage.php b/src/Sms/AbstractNetgsmMessage.php
index 715fc91..af8c3ce 100644
--- a/src/Sms/AbstractNetgsmMessage.php
+++ b/src/Sms/AbstractNetgsmMessage.php
@@ -102,6 +102,7 @@ public static function create(string $message = null, array $defaults = [])
 
     /**
      * AbstractNetgsmMessage constructor.
+     *
      * @param  array  $defaults
      * @param  string  $message
      */
@@ -149,6 +150,7 @@ public function getRecipients(): array
 
     /**
      * set's the sms origin.
+     *
      * @see https://www.netgsm.com.tr/dokuman/#g%C3%B6nderici-ad%C4%B1-sorgulama
      *
      * @param  null  $header
@@ -204,6 +206,7 @@ public function getSendMethod(): string
      *
      * @param  string  $sendMethod
      * @return $this
+     *
      * @throws Exception
      */
     public function setSendMethod(string $sendMethod): self
@@ -316,6 +319,7 @@ public function getJobId(): string
      * parses the response from api and returns job id.
      *
      * @return $this
+     *
      * @throws CouldNotSendNotification
      * @throws NetgsmException
      */
@@ -347,6 +351,7 @@ public function parseResponse(): self
      * sends a sms via get method.
      *
      * @return $this
+     *
      * @throws CouldNotSendNotification
      * @throws GuzzleException
      * @throws NetgsmException
@@ -362,6 +367,7 @@ protected function sendViaGet(): self
      * sends a sms via xml method.
      *
      * @return $this
+     *
      * @throws CouldNotSendNotification
      * @throws GuzzleException
      * @throws NetgsmException
@@ -379,6 +385,7 @@ protected function sendViaXml(): self
      * sends a sms via specified sending method.
      *
      * @return $this
+     *
      * @throws IncorrectPhoneNumberFormatException
      */
     public function send()
diff --git a/src/Sms/NetgsmSmsMessage.php b/src/Sms/NetgsmSmsMessage.php
index 71eaed9..9d6ad18 100644
--- a/src/Sms/NetgsmSmsMessage.php
+++ b/src/Sms/NetgsmSmsMessage.php
@@ -27,6 +27,7 @@ class NetgsmSmsMessage extends AbstractNetgsmMessage
 
     /**
      * creates the xml request body for sms sending via xml post method.
+     *
      * @return string
      */
     protected function createXmlPost(): string