diff --git a/composer.json b/composer.json
index 9ef0f47..4ff9917 100644
--- a/composer.json
+++ b/composer.json
@@ -12,8 +12,8 @@
   "require": {
     "php": ">= 5.6.4",
     "aws/aws-sdk-php-laravel": "^3.1",
-    "nesbot/carbon": "~1.20",
-    "laravel/framework": "^5.7.0"
+    "nesbot/carbon": "^2.0.0",
+    "laravel/framework": "^5.7.0 | ^6.0.0"
   },
   "autoload": {
     "psr-0": {
diff --git a/src/AwsCognitoIdentityGuard.php b/src/AwsCognitoIdentityGuard.php
index 70013a4..f56fa7e 100644
--- a/src/AwsCognitoIdentityGuard.php
+++ b/src/AwsCognitoIdentityGuard.php
@@ -18,6 +18,7 @@
 use Illuminate\Contracts\Cookie\QueueingFactory as CookieJar;
 use Illuminate\Contracts\Events\Dispatcher;
 use Illuminate\Contracts\Session\Session;
+use Illuminate\Support\Arr;
 use Illuminate\Support\Str;
 use RuntimeException;
 use Symfony\Component\HttpFoundation\Request;
@@ -548,8 +549,8 @@ protected function storeCognitoTokensInSession(array $tokens)
     protected function attemptCognitoAuthentication(array $credentials)
     {
         if (
-            !$username = array_get($credentials, $this->config['username-attribute']) OR
-            !$password = array_get($credentials, 'password')
+            !$username = Arr::get($credentials, $this->config['username-attribute']) OR
+            !$password = Arr::get($credentials, 'password')
         ) {
             return new AuthAttempt(false);
         }
@@ -830,7 +831,7 @@ public function getLastAttempted()
      */
     public function getCognitoAccessToken()
     {
-        return array_get($this->cognitoTokens, 'AccessToken');
+        return Arr::get($this->cognitoTokens, 'AccessToken');
     }
 
     /**
@@ -840,7 +841,7 @@ public function getCognitoAccessToken()
      */
     public function getCognitoIdToken()
     {
-        return array_get($this->cognitoTokens, 'IdToken');
+        return Arr::get($this->cognitoTokens, 'IdToken');
     }
 
     /**
@@ -850,7 +851,7 @@ public function getCognitoIdToken()
      */
     public function getCognitoRefreshToken()
     {
-        return array_get($this->cognitoTokens, 'RefreshToken');
+        return Arr::get($this->cognitoTokens, 'RefreshToken');
     }
 
     /**
@@ -861,7 +862,7 @@ public function getCognitoRefreshToken()
      */
     public function getCognitoTokensExpiryTime()
     {
-        return array_get($this->cognitoTokens, 'ExpiresIn');
+        return Arr::get($this->cognitoTokens, 'ExpiresIn');
     }
 
     /**
@@ -871,7 +872,7 @@ public function getCognitoTokensExpiryTime()
      */
     public function getCognitoRefreshTokenExpiryTime()
     {
-        return array_get($this->cognitoTokens, 'RefreshTokenExpires');
+        return Arr::get($this->cognitoTokens, 'RefreshTokenExpires');
     }
 
     /**