diff --git a/composer.json b/composer.json
index 40c78297..200f27be 100644
--- a/composer.json
+++ b/composer.json
@@ -23,6 +23,7 @@
         "docs": "https://book.cakephp.org/authentication/3/en/"
     },
     "require": {
+        "php": ">=8.1",
         "cakephp/http": "^5.0",
         "laminas/laminas-diactoros": "^3.0",
         "psr/http-client": "^1.0",
diff --git a/src/Identifier/Ldap/ExtensionAdapter.php b/src/Identifier/Ldap/ExtensionAdapter.php
index d9d2893f..fae1da54 100644
--- a/src/Identifier/Ldap/ExtensionAdapter.php
+++ b/src/Identifier/Ldap/ExtensionAdapter.php
@@ -89,7 +89,7 @@ public function getConnection(): Connection
      *
      * @param string $host Hostname
      * @param int $port Port
-     * @param array $options Additonal LDAP options
+     * @param array $options Additional LDAP options
      * @return void
      */
     public function connect(string $host, int $port, array $options): void
@@ -110,7 +110,7 @@ public function connect(string $host, int $port, array $options): void
         $this->_unsetErrorHandler();
 
         foreach ($options as $option => $value) {
-            $this->setOption($option, $value);
+            $this->setOption((int)$option, $value);
         }
     }
 
diff --git a/src/UrlChecker/DefaultUrlChecker.php b/src/UrlChecker/DefaultUrlChecker.php
index bd156c36..f2cb5a86 100644
--- a/src/UrlChecker/DefaultUrlChecker.php
+++ b/src/UrlChecker/DefaultUrlChecker.php
@@ -69,7 +69,7 @@ public function check(ServerRequestInterface $request, $loginUrls, array $option
      * method and inject additional options without the need to use the
      * MergeVarsTrait.
      *
-     * @param array $options Options to merge in
+     * @param array<string, mixed> $options Options to merge in
      * @return array
      */
     protected function _mergeDefaultOptions(array $options): array
@@ -80,7 +80,7 @@ protected function _mergeDefaultOptions(array $options): array
     /**
      * Gets the checker function name or a callback
      *
-     * @param array $options Array of options
+     * @param array<string, mixed> $options Array of options
      * @return callable
      */
     protected function _getChecker(array $options): callable
diff --git a/src/UrlChecker/UrlCheckerInterface.php b/src/UrlChecker/UrlCheckerInterface.php
index fbf74043..797d0609 100644
--- a/src/UrlChecker/UrlCheckerInterface.php
+++ b/src/UrlChecker/UrlCheckerInterface.php
@@ -28,7 +28,7 @@ interface UrlCheckerInterface
      *
      * @param \Psr\Http\Message\ServerRequestInterface $request Server Request
      * @param array|string $loginUrls Login URL string or array of URLs
-     * @param array $options Array of options
+     * @param array<string, mixed> $options Array of options
      * @return bool
      */
     public function check(ServerRequestInterface $request, array|string $loginUrls, array $options = []): bool;