diff --git a/composer.json b/composer.json
index d61bdba..413d9c0 100644
--- a/composer.json
+++ b/composer.json
@@ -1,5 +1,5 @@
 {
     "require": {
-        "twilio/sdk": "5.7.3"
+        "twilio/sdk": "6.27.1"
     }
 }
diff --git a/composer.lock b/composer.lock
index cf38207..5a3ed79 100644
--- a/composer.lock
+++ b/composer.lock
@@ -1,36 +1,40 @@
 {
     "_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": "e0d8f23e021b31bb4f54aeb835165637",
+    "content-hash": "3b4e4c3a38ee22405f600db19a0ace0f",
     "packages": [
         {
             "name": "twilio/sdk",
-            "version": "5.7.3",
+            "version": "6.27.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/twilio/twilio-php.git",
-                "reference": "67e16c2d9deaae5d1cebafc2d07c0e6215c92dfb"
+                "reference": "2e36a394c854719091136c09ad69f5b839716a64"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/twilio/twilio-php/zipball/67e16c2d9deaae5d1cebafc2d07c0e6215c92dfb",
-                "reference": "67e16c2d9deaae5d1cebafc2d07c0e6215c92dfb",
+                "url": "https://api.github.com/repos/twilio/twilio-php/zipball/2e36a394c854719091136c09ad69f5b839716a64",
+                "reference": "2e36a394c854719091136c09ad69f5b839716a64",
                 "shasum": ""
             },
             "require": {
-                "php": ">=5.3.0"
+                "php": ">=7.1.0"
             },
             "require-dev": {
-                "apigen/apigen": "^4.1",
-                "phpunit/phpunit": "4.5.*"
+                "guzzlehttp/guzzle": "^6.3 || ^7.0",
+                "phpunit/phpunit": ">=4.5",
+                "theseer/phpdox": "^0.12.0"
+            },
+            "suggest": {
+                "guzzlehttp/guzzle": "An HTTP client to execute the API requests"
             },
             "type": "library",
             "autoload": {
                 "psr-4": {
-                    "Twilio\\": "Twilio/"
+                    "Twilio\\": "src/Twilio/"
                 }
             },
             "notification-url": "https://packagist.org/downloads/",
@@ -50,7 +54,11 @@
                 "sms",
                 "twilio"
             ],
-            "time": "2017-04-12T17:49:25+00:00"
+            "support": {
+                "issues": "https://github.com/twilio/twilio-php/issues",
+                "source": "https://github.com/twilio/twilio-php/tree/6.27.1"
+            },
+            "time": "2021-07-28T19:07:01+00:00"
         }
     ],
     "packages-dev": [],
@@ -60,5 +68,6 @@
     "prefer-stable": false,
     "prefer-lowest": false,
     "platform": [],
-    "platform-dev": []
+    "platform-dev": [],
+    "plugin-api-version": "2.0.0"
 }