diff --git a/composer.json b/composer.json
index 5ca2f4de..a3366b4b 100644
--- a/composer.json
+++ b/composer.json
@@ -12,7 +12,8 @@
         "guzzlehttp/guzzle": "^6.3",
         "php": ">=7.3",
         "league/oauth2-client": "^2.4",
-        "symfony/cache": "^4|^5"
+        "symfony/cache": "^4|^5",
+        "webmozart/path-util": "^2.3"
     },
     "require-dev": {
         "php-coveralls/php-coveralls": "^2.0.0",
diff --git a/composer.lock b/composer.lock
index 47281b09..7b87ccf5 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "12a11be3da486b19cbce1fc5e7a52676",
+    "content-hash": "e38e8b89d5107687ed073a67123ca1a5",
     "packages": [
         {
             "name": "guzzlehttp/guzzle",
@@ -709,6 +709,82 @@
             ],
             "time": "2020-09-07T11:33:47+00:00"
         },
+        {
+            "name": "symfony/polyfill-ctype",
+            "version": "v1.18.1",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/symfony/polyfill-ctype.git",
+                "reference": "1c302646f6efc070cd46856e600e5e0684d6b454"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/symfony/polyfill-ctype/zipball/1c302646f6efc070cd46856e600e5e0684d6b454",
+                "reference": "1c302646f6efc070cd46856e600e5e0684d6b454",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=5.3.3"
+            },
+            "suggest": {
+                "ext-ctype": "For best performance"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "1.18-dev"
+                },
+                "thanks": {
+                    "name": "symfony/polyfill",
+                    "url": "https://github.com/symfony/polyfill"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "Symfony\\Polyfill\\Ctype\\": ""
+                },
+                "files": [
+                    "bootstrap.php"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Gert de Pagter",
+                    "email": "BackEndTea@gmail.com"
+                },
+                {
+                    "name": "Symfony Community",
+                    "homepage": "https://symfony.com/contributors"
+                }
+            ],
+            "description": "Symfony polyfill for ctype functions",
+            "homepage": "https://symfony.com",
+            "keywords": [
+                "compatibility",
+                "ctype",
+                "polyfill",
+                "portable"
+            ],
+            "funding": [
+                {
+                    "url": "https://symfony.com/sponsor",
+                    "type": "custom"
+                },
+                {
+                    "url": "https://github.com/fabpot",
+                    "type": "github"
+                },
+                {
+                    "url": "https://tidelift.com/funding/github/packagist/symfony/symfony",
+                    "type": "tidelift"
+                }
+            ],
+            "time": "2020-07-14T12:35:20+00:00"
+        },
         {
             "name": "symfony/polyfill-intl-idn",
             "version": "v1.17.0",
@@ -1161,6 +1237,100 @@
                 }
             ],
             "time": "2020-09-08T14:19:54+00:00"
+        },
+        {
+            "name": "webmozart/assert",
+            "version": "1.7.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/webmozart/assert.git",
+                "reference": "aed98a490f9a8f78468232db345ab9cf606cf598"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/webmozart/assert/zipball/aed98a490f9a8f78468232db345ab9cf606cf598",
+                "reference": "aed98a490f9a8f78468232db345ab9cf606cf598",
+                "shasum": ""
+            },
+            "require": {
+                "php": "^5.3.3 || ^7.0",
+                "symfony/polyfill-ctype": "^1.8"
+            },
+            "conflict": {
+                "vimeo/psalm": "<3.6.0"
+            },
+            "require-dev": {
+                "phpunit/phpunit": "^4.8.36 || ^7.5.13"
+            },
+            "type": "library",
+            "autoload": {
+                "psr-4": {
+                    "Webmozart\\Assert\\": "src/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Bernhard Schussek",
+                    "email": "bschussek@gmail.com"
+                }
+            ],
+            "description": "Assertions to validate method input/output with nice error messages.",
+            "keywords": [
+                "assert",
+                "check",
+                "validate"
+            ],
+            "time": "2020-02-14T12:15:55+00:00"
+        },
+        {
+            "name": "webmozart/path-util",
+            "version": "2.3.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/webmozart/path-util.git",
+                "reference": "d939f7edc24c9a1bb9c0dee5cb05d8e859490725"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/webmozart/path-util/zipball/d939f7edc24c9a1bb9c0dee5cb05d8e859490725",
+                "reference": "d939f7edc24c9a1bb9c0dee5cb05d8e859490725",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=5.3.3",
+                "webmozart/assert": "~1.0"
+            },
+            "require-dev": {
+                "phpunit/phpunit": "^4.6",
+                "sebastian/version": "^1.0.1"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "2.3-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "Webmozart\\PathUtil\\": "src/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Bernhard Schussek",
+                    "email": "bschussek@gmail.com"
+                }
+            ],
+            "description": "A robust cross-platform utility for normalizing, comparing and modifying file paths.",
+            "time": "2015-12-17T08:42:14+00:00"
         }
     ],
     "packages-dev": [
@@ -3932,82 +4102,6 @@
             "homepage": "https://symfony.com",
             "time": "2019-11-17T21:56:56+00:00"
         },
-        {
-            "name": "symfony/polyfill-ctype",
-            "version": "v1.18.1",
-            "source": {
-                "type": "git",
-                "url": "https://github.com/symfony/polyfill-ctype.git",
-                "reference": "1c302646f6efc070cd46856e600e5e0684d6b454"
-            },
-            "dist": {
-                "type": "zip",
-                "url": "https://api.github.com/repos/symfony/polyfill-ctype/zipball/1c302646f6efc070cd46856e600e5e0684d6b454",
-                "reference": "1c302646f6efc070cd46856e600e5e0684d6b454",
-                "shasum": ""
-            },
-            "require": {
-                "php": ">=5.3.3"
-            },
-            "suggest": {
-                "ext-ctype": "For best performance"
-            },
-            "type": "library",
-            "extra": {
-                "branch-alias": {
-                    "dev-master": "1.18-dev"
-                },
-                "thanks": {
-                    "name": "symfony/polyfill",
-                    "url": "https://github.com/symfony/polyfill"
-                }
-            },
-            "autoload": {
-                "psr-4": {
-                    "Symfony\\Polyfill\\Ctype\\": ""
-                },
-                "files": [
-                    "bootstrap.php"
-                ]
-            },
-            "notification-url": "https://packagist.org/downloads/",
-            "license": [
-                "MIT"
-            ],
-            "authors": [
-                {
-                    "name": "Gert de Pagter",
-                    "email": "BackEndTea@gmail.com"
-                },
-                {
-                    "name": "Symfony Community",
-                    "homepage": "https://symfony.com/contributors"
-                }
-            ],
-            "description": "Symfony polyfill for ctype functions",
-            "homepage": "https://symfony.com",
-            "keywords": [
-                "compatibility",
-                "ctype",
-                "polyfill",
-                "portable"
-            ],
-            "funding": [
-                {
-                    "url": "https://symfony.com/sponsor",
-                    "type": "custom"
-                },
-                {
-                    "url": "https://github.com/fabpot",
-                    "type": "github"
-                },
-                {
-                    "url": "https://tidelift.com/funding/github/packagist/symfony/symfony",
-                    "type": "tidelift"
-                }
-            ],
-            "time": "2020-07-14T12:35:20+00:00"
-        },
         {
             "name": "symfony/polyfill-php73",
             "version": "v1.18.1",
@@ -4260,54 +4354,6 @@
             ],
             "description": "A small library for converting tokenized PHP source code into XML and potentially other formats",
             "time": "2019-06-13T22:48:21+00:00"
-        },
-        {
-            "name": "webmozart/assert",
-            "version": "1.7.0",
-            "source": {
-                "type": "git",
-                "url": "https://github.com/webmozart/assert.git",
-                "reference": "aed98a490f9a8f78468232db345ab9cf606cf598"
-            },
-            "dist": {
-                "type": "zip",
-                "url": "https://api.github.com/repos/webmozart/assert/zipball/aed98a490f9a8f78468232db345ab9cf606cf598",
-                "reference": "aed98a490f9a8f78468232db345ab9cf606cf598",
-                "shasum": ""
-            },
-            "require": {
-                "php": "^5.3.3 || ^7.0",
-                "symfony/polyfill-ctype": "^1.8"
-            },
-            "conflict": {
-                "vimeo/psalm": "<3.6.0"
-            },
-            "require-dev": {
-                "phpunit/phpunit": "^4.8.36 || ^7.5.13"
-            },
-            "type": "library",
-            "autoload": {
-                "psr-4": {
-                    "Webmozart\\Assert\\": "src/"
-                }
-            },
-            "notification-url": "https://packagist.org/downloads/",
-            "license": [
-                "MIT"
-            ],
-            "authors": [
-                {
-                    "name": "Bernhard Schussek",
-                    "email": "bschussek@gmail.com"
-                }
-            ],
-            "description": "Assertions to validate method input/output with nice error messages.",
-            "keywords": [
-                "assert",
-                "check",
-                "validate"
-            ],
-            "time": "2020-02-14T12:15:55+00:00"
         }
     ],
     "aliases": [],
diff --git a/src/Connector/Connector.php b/src/Connector/Connector.php
index e55d2b26..8b8b3ff6 100644
--- a/src/Connector/Connector.php
+++ b/src/Connector/Connector.php
@@ -9,6 +9,7 @@
 use Psr\Http\Message\RequestInterface;
 use Symfony\Component\Cache\Adapter\FilesystemAdapter;
 use Symfony\Contracts\Cache\ItemInterface;
+use Webmozart\PathUtil\Path;
 
 /**
  * Class Connector
@@ -66,7 +67,7 @@ public function __construct(array $config)
     public function createRequest($verb, $path)
     {
         if (!isset($this->accessToken) || $this->accessToken->hasExpired()) {
-            $directory = sprintf('%s%s%s', posix_getpwuid(getmyuid())['dir'], \DIRECTORY_SEPARATOR, '.acquia-php-sdk-v2');
+            $directory = sprintf('%s%s%s', Path::getHomeDirectory(), \DIRECTORY_SEPARATOR, '.acquia-php-sdk-v2');
             $cache = new FilesystemAdapter('cache', 0, $directory);
             $accessToken = $cache->get('cloudapi-token', function (ItemInterface $item) {
                 $item->expiresAfter(300);
diff --git a/tests/Endpoints/ConnectorTest.php b/tests/Endpoints/ConnectorTest.php
index ecfbc406..478d6985 100644
--- a/tests/Endpoints/ConnectorTest.php
+++ b/tests/Endpoints/ConnectorTest.php
@@ -15,6 +15,7 @@
 use GuzzleHttp\Psr7\Response;
 use GuzzleHttp\Psr7\Request;
 use Symfony\Component\Cache\Adapter\FilesystemAdapter;
+use Webmozart\PathUtil\Path;
 
 class ConnectorTest extends CloudApiTestCase
 {
@@ -33,7 +34,7 @@ public function setUp()
         $this->connector = new Connector($config);
 
         // Clear the cache to make sure we get fresh results during testing.
-        $directory = sprintf('%s%s%s', posix_getpwuid(getmyuid())['dir'], \DIRECTORY_SEPARATOR, '.acquia-php-sdk-v2');
+        $directory = sprintf('%s%s%s', Path::getHomeDirectory(), \DIRECTORY_SEPARATOR, '.acquia-php-sdk-v2');
         $this->cache = new FilesystemAdapter('cache', 0, $directory);
         $this->cache->deleteItem('cloudapi-token');
     }