diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index c575410..a46c137 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -16,6 +16,9 @@ jobs:
         include:
           - php: '8.0'
           - php: '8.1'
+          - php: '8.2'
+          - php: '8.3'
+          - php: '8.4'
 
     runs-on: ubuntu-latest
 
diff --git a/composer.json b/composer.json
index 5b9de65..8b94fd2 100644
--- a/composer.json
+++ b/composer.json
@@ -44,7 +44,7 @@
 		"phpunit": "phpunit -c phpunit.xml.dist"
 	},
 	"require-dev": {
-		"phpunit/phpunit": "^9.5"
+		"phpunit/phpunit": "9.6.34"
 	},
 	"replace": {
 		"onoi/http-request": "*"
diff --git a/src/CachedCurlRequest.php b/src/CachedCurlRequest.php
index bc60b9c..1659531 100644
--- a/src/CachedCurlRequest.php
+++ b/src/CachedCurlRequest.php
@@ -27,7 +27,7 @@ class CachedCurlRequest extends CurlRequest {
 	private $cache;
 
 	/**
-	 * @var boolean
+	 * @var bool
 	 */
 	private $isFromCache = false;
 
@@ -46,7 +46,7 @@ public function __construct( CurlHandle|false $handle, Cache $cache ) {
 	 * @deprecated since 1.3, use option ONOI_HTTP_REQUEST_RESPONSECACHE_TTL instead
 	 * @since  1.0
 	 *
-	 * @param integer $expiry
+	 * @param int $expiry
 	 */
 	public function setExpiryInSeconds( $expiry ) {
 		$this->setOption( ONOI_HTTP_REQUEST_RESPONSECACHE_TTL, (int)$expiry );
@@ -66,7 +66,7 @@ public function setCachePrefix( $cachePrefix ) {
 	 * @deprecated since 1.3, use CachedCurlRequest::isFromCache instead
 	 * @since  1.0
 	 *
-	 * @return boolean
+	 * @return bool
 	 */
 	public function isCached() {
 		return $this->isFromCache();
@@ -75,7 +75,7 @@ public function isCached() {
 	/**
 	 * @since  1.3
 	 *
-	 * @return boolean
+	 * @return bool
 	 */
 	public function isFromCache() {
 		return $this->isFromCache;
@@ -133,9 +133,9 @@ private function getKeysFromOptions() {
 		);
 
 		// Reuse the handle but clear the options
-		$this->options = array();
+		$this->options = [];
 
-		return array( $key, $expiry );
+		return [ $key, $expiry ];
 	}
 
 }
diff --git a/src/CurlRequest.php b/src/CurlRequest.php
index aa2ac03..6769f40 100644
--- a/src/CurlRequest.php
+++ b/src/CurlRequest.php
@@ -18,7 +18,7 @@ class CurlRequest implements HttpRequest {
 	/**
 	 * @var array
 	 */
-	protected $options = array();
+	protected $options = [];
 
 	/**
 	 * @since 1.0
@@ -35,7 +35,7 @@ public function __construct( CurlHandle|false $handle ) {
 	/**
 	 * @since 1.0
 	 *
-	 * @return boolean
+	 * @return bool
 	 */
 	public function ping() {
 
@@ -46,13 +46,13 @@ public function ping() {
 		// Copy the handle to avoid diluting the resource
 		$handle = curl_copy_handle( $this->handle );
 
-		curl_setopt_array( $handle, array(
+		curl_setopt_array( $handle, [
 			CURLOPT_HEADER => false,
 			CURLOPT_RETURNTRANSFER, true,
 			CURLOPT_CONNECTTIMEOUT => 5,
 			CURLOPT_FRESH_CONNECT => false,
 			CURLOPT_FAILONERROR => true
-		) );
+		] );
 
 		curl_exec( $handle );
 
@@ -115,7 +115,7 @@ public function getLastError() {
 	/**
 	 * @since 1.0
 	 *
-	 * @return integer
+	 * @return int
 	 */
 	public function getLastErrorCode() {
 		return curl_errno( $this->handle );
@@ -127,7 +127,7 @@ public function getLastErrorCode() {
 	 * @return mixed
 	 */
 	public function execute() {
-		$this->options = array();
+		$this->options = [];
 		return curl_exec( $this->handle );
 	}
 
diff --git a/tests/phpunit/Unit/CachedCurlRequestTest.php b/tests/phpunit/Unit/CachedCurlRequestTest.php
index 52557dc..b376093 100644
--- a/tests/phpunit/Unit/CachedCurlRequestTest.php
+++ b/tests/phpunit/Unit/CachedCurlRequestTest.php
@@ -38,13 +38,20 @@ public function testExecuteForRepeatedRequest() {
 
 		$cache = $this->getMockBuilder( '\Onoi\Cache\Cache' )
 			->disableOriginalConstructor()
-			->setMethods( array( 'contains', 'fetch' ) )
+			->setMethods( [ 'contains', 'fetch' ] )
 			->getMockForAbstractClass();
 
-		$cache->expects( $this->once() )
-			->method( 'contains' )
-			->with( $this->equalTo( 'foo:onoi:http:39aa03567d7d983dab1f1bdc5dc75e84' ) )
-			->will( $this->returnValue( true ) );
+		if ( version_compare( PHP_VERSION, '8.2.0', '>=' ) ) {
+			$cache->expects( $this->once() )
+				->method( 'contains' )
+				->with( $this->equalTo( 'foo:onoi:http:40f45decb6e5aa031fb9add61045bbb2' ) )
+				->will( $this->returnValue( true ) );
+		} else {
+			$cache->expects( $this->once() )
+				->method( 'contains' )
+				->with( $this->equalTo( 'foo:onoi:http:39aa03567d7d983dab1f1bdc5dc75e84' ) )
+				->will( $this->returnValue( true ) );
+		}
 
 		$cache->expects( $this->once() )
 			->method( 'fetch' )
@@ -69,15 +76,24 @@ public function testDifferentOptionsToGenerateDifferentKeys() {
 
 		$cache = $this->getMockBuilder( '\Onoi\Cache\Cache' )
 			->disableOriginalConstructor()
-			->setMethods( array( 'contains' ) )
+			->setMethods( [ 'contains' ] )
 			->getMockForAbstractClass();
 
-		$cache->expects( $this->exactly( 2 ) )
-			->method( 'contains' )
-			->withConsecutive(
-				[ $this->equalTo( 'onoi:http:7ccbcfd552a597d67077d6cc037580ac' ) ],
-				[ $this->equalTo( 'onoi:http:e2015ad4244c4663f10f305e299d5c4f' ) ]
-			);
+		if ( version_compare( PHP_VERSION, '8.2.0', '>=' ) ) {
+			$cache->expects( $this->exactly( 2 ) )
+				->method( 'contains' )
+				->withConsecutive(
+					[ $this->equalTo( 'onoi:http:fb5f4cec184805a163be587063e6a72a' ) ],
+					[ $this->equalTo( 'onoi:http:e2015ad4244c4663f10f305e299d5c4f' ) ]
+				);
+		} else {
+			$cache->expects( $this->exactly( 2 ) )
+				->method( 'contains' )
+				->withConsecutive(
+					[ $this->equalTo( 'onoi:http:7ccbcfd552a597d67077d6cc037580ac' ) ],
+					[ $this->equalTo( 'onoi:http:e2015ad4244c4663f10f305e299d5c4f' ) ]
+				);
+		}
 
 		$instance = new CachedCurlRequest( curl_init(), $cache );
 
@@ -92,15 +108,24 @@ public function testToHaveTargetUrlAsPartOfTheCacheKey() {
 
 		$cache = $this->getMockBuilder( '\Onoi\Cache\Cache' )
 			->disableOriginalConstructor()
-			->setMethods( array( 'contains', 'save' ) )
+			->setMethods( [ 'contains', 'save' ] )
 			->getMockForAbstractClass();
 
-		$cache->expects( $this->exactly( 2 ) )
-			->method( 'contains' )
-			->withConsecutive(
-				[ $this->equalTo( 'onoi:http:236b194825be3d614ce5fc1b7763a278' ) ],
-				[ $this->equalTo( 'onoi:http:823a603f972819c10d13f32b14460573' ) ]
-			);
+		if ( version_compare( PHP_VERSION, '8.2.0', '>=' ) ) {
+			$cache->expects( $this->exactly( 2 ) )
+				->method( 'contains' )
+				->withConsecutive(
+					[ $this->equalTo( 'onoi:http:2b9630899f52846eb4a5ecb95cec297f' ) ],
+					[ $this->equalTo( 'onoi:http:823a603f972819c10d13f32b14460573' ) ]
+				);
+		} else {
+			$cache->expects( $this->exactly( 2 ) )
+				->method( 'contains' )
+				->withConsecutive(
+					[ $this->equalTo( 'onoi:http:236b194825be3d614ce5fc1b7763a278' ) ],
+					[ $this->equalTo( 'onoi:http:823a603f972819c10d13f32b14460573' ) ]
+				);
+		}
 
 		$instance = new CachedCurlRequest( curl_init( 'http://example.org' ), $cache );
 
@@ -116,15 +141,24 @@ public function testSaveResponse() {
 
 		$cache = $this->getMockBuilder( '\Onoi\Cache\Cache' )
 			->disableOriginalConstructor()
-			->setMethods( array( 'save', 'contains' ) )
+			->setMethods( [ 'save', 'contains' ] )
 			->getMockForAbstractClass();
 
-		$cache->expects( $this->once() )
-			->method( 'save' )
-			->with(
-				$this->equalTo( 'foo:onoi:http:b87e897ea862a410aff82e3122e2d955' ),
-				$this->anything(),
-				$this->equalTo( 42 ) );
+		if ( version_compare( PHP_VERSION, '8.2.0', '>=' ) ) {
+			$cache->expects( $this->once() )
+				->method( 'save' )
+				->with(
+					$this->equalTo( 'foo:onoi:http:77da068c8dd8aa7667ca414a86a9bddf' ),
+					$this->anything(),
+					$this->equalTo( 42 ) );
+		} else {
+			$cache->expects( $this->once() )
+				->method( 'save' )
+				->with(
+					$this->equalTo( 'foo:onoi:http:b87e897ea862a410aff82e3122e2d955' ),
+					$this->anything(),
+					$this->equalTo( 42 ) );
+		}
 
 		$instance = new CachedCurlRequest(
 			curl_init(),
@@ -146,10 +180,10 @@ public function testDefinedConstants() {
 			->disableOriginalConstructor()
 			->getMockForAbstractClass();
 
-		$constants = array(
+		$constants = [
 			'ONOI_HTTP_REQUEST_RESPONSECACHE_PREFIX',
 			'ONOI_HTTP_REQUEST_RESPONSECACHE_TTL'
-		);
+		];
 
 		$instance = new CachedCurlRequest( curl_init(), $cache );