diff --git a/README.txt b/README.txt
index e34c8b4..47befd5 100644
--- a/README.txt
+++ b/README.txt
@@ -6,8 +6,8 @@ Tags: web analytics, user tracking, clickstream, traffic analysis, traffic repor
 License: GPLv3
 License URI: http://www.gnu.org/licenses/gpl.html
 Requires at least: 5.2.0
-Tested up to: 5.8
-Stable tag: 2.1.1
+Tested up to: 5.9.3
+Stable tag: 2.1.3
 
 The official plugin for integrating Open Web Analytics with WordPress based web sites and applications.
 
diff --git a/composer.lock b/composer.lock
index feb15c6..16c0e50 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,87 +4,144 @@
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+                "guzzlehttp/promises": "^1.5",
+                "guzzlehttp/psr7": "^1.9 || ^2.4",
+                "php": "^7.2.5 || ^8.0",
+                "psr/http-client": "^1.0",
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+                "psr/log": "^1.1 || ^2.0 || ^3.0"
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+                "ext-intl": "Required for Internationalized Domain Name (IDN) support",
                 "psr/log": "Required for using the Log middleware"
             },
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             "extra": {
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             "autoload": {
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-                    "GuzzleHttp\\": "src/"
-                },
                 "files": [
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-                ]
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+                }
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             "license": [
                 "MIT"
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+                    "email": "hello@gjcampbell.co.uk",
+                    "homepage": "https://github.com/GrahamCampbell"
+                },
                 {
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                     "email": "mtdowling@gmail.com",
                     "homepage": "https://github.com/mtdowling"
+                },
+                {
+                    "name": "Jeremy Lindblom",
+                    "email": "jeremeamia@gmail.com",
+                    "homepage": "https://github.com/jeremeamia"
+                },
+                {
+                    "name": "George Mponos",
+                    "email": "gmponos@gmail.com",
+                    "homepage": "https://github.com/gmponos"
+                },
+                {
+                    "name": "Tobias Nyholm",
+                    "email": "tobias.nyholm@gmail.com",
+                    "homepage": "https://github.com/Nyholm"
+                },
+                {
+                    "name": "Márk Sági-Kazár",
+                    "email": "mark.sagikazar@gmail.com",
+                    "homepage": "https://github.com/sagikazarmark"
+                },
+                {
+                    "name": "Tobias Schultze",
+                    "email": "webmaster@tubo-world.de",
+                    "homepage": "https://github.com/Tobion"
                 }
             ],
             "description": "Guzzle is a PHP HTTP client library",
-            "homepage": "http://guzzlephp.org/",
             "keywords": [
                 "client",
                 "curl",
                 "framework",
                 "http",
                 "http client",
+                "psr-18",
+                "psr-7",
                 "rest",
                 "web service"
             ],
-            "time": "2020-04-18T10:38:46+00:00"
+            "support": {
+                "issues": "https://github.com/guzzle/guzzle/issues",
+                "source": "https://github.com/guzzle/guzzle/tree/7.4.5"
+            },
+            "funding": [
+                {
+                    "url": "https://github.com/GrahamCampbell",
+                    "type": "github"
+                },
+                {
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+                    "type": "github"
+                },
+                {
+                    "url": "https://tidelift.com/funding/github/packagist/guzzlehttp/guzzle",
+                    "type": "tidelift"
+                }
+            ],
+            "time": "2022-06-20T22:16:13+00:00"
         },
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-            "version": "1.5.1",
+            "version": "1.5.2",
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                 "url": "https://github.com/guzzle/promises.git",
-                "reference": "fe752aedc9fd8fcca3fe7ad05d419d32998a06da"
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-                "reference": "fe752aedc9fd8fcca3fe7ad05d419d32998a06da",
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+                "reference": "b94b2807d85443f9719887892882d0329d1e2598",
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@@ -100,12 +157,12 @@
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-                    "GuzzleHttp\\Promise\\": "src/"
-                },
                 "files": [
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-                ]
+                ],
+                "psr-4": {
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+                }
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             "notification-url": "https://packagist.org/downloads/",
             "license": [
@@ -137,6 +194,10 @@
             "keywords": [
                 "promise"
             ],
+            "support": {
+                "issues": "https://github.com/guzzle/promises/issues",
+                "source": "https://github.com/guzzle/promises/tree/1.5.2"
+            },
             "funding": [
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@@ -151,50 +212,54 @@
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-            "time": "2021-10-22T20:56:57+00:00"
+            "time": "2022-08-28T14:55:35+00:00"
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+            "version": "2.4.1",
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-                "reference": "1afdd860a2566ed3c2b0b4a3de6e23434a79ec85",
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-                "psr/http-message": "~1.0",
-                "ralouphie/getallheaders": "^2.0.5 || ^3.0.0"
+                "php": "^7.2.5 || ^8.0",
+                "psr/http-factory": "^1.0",
+                "psr/http-message": "^1.0",
+                "ralouphie/getallheaders": "^3.0"
             },
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-                "phpunit/phpunit": "~4.8.36 || ^5.7.27 || ^6.5.14 || ^7.5.20 || ^8.5.8 || ^9.3.10"
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             "suggest": {
                 "laminas/laminas-httphandlerrunner": "Emit PSR-7 responses"
             },
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+                    "forward-command": false
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-                },
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@@ -230,6 +295,11 @@
                     "name": "Tobias Schultze",
                     "email": "webmaster@tubo-world.de",
                     "homepage": "https://github.com/Tobion"
+                },
+                {
+                    "name": "Márk Sági-Kazár",
+                    "email": "mark.sagikazar@gmail.com",
+                    "homepage": "https://sagikazarmark.hu"
                 }
             ],
             "description": "PSR-7 message implementation that also provides common utility methods",
@@ -243,6 +313,10 @@
                 "uri",
                 "url"
             ],
+            "support": {
+                "issues": "https://github.com/guzzle/psr7/issues",
+                "source": "https://github.com/guzzle/psr7/tree/2.4.1"
+            },
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@@ -257,24 +331,24 @@
                     "type": "tidelift"
                 }
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-            "time": "2021-10-05T13:56:00+00:00"
+            "time": "2022-08-28T14:45:39+00:00"
         },
         {
             "name": "open-web-analytics/owa-php-sdk",
-            "version": "1.0.6",
+            "version": "1.0.7",
             "source": {
                 "type": "git",
                 "url": "https://github.com/Open-Web-Analytics/owa-php-sdk.git",
-                "reference": "b4d7f0fb376c4e792eef160ecbd25cad035200e6"
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-                "reference": "b4d7f0fb376c4e792eef160ecbd25cad035200e6",
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@@ -302,6 +376,10 @@
                 "open-web-analytics",
                 "web-analytics"
             ],
+            "support": {
+                "issues": "https://github.com/Open-Web-Analytics/owa-php-sdk/issues",
+                "source": "https://github.com/Open-Web-Analytics/owa-php-sdk/tree/1.0.7"
+            },
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                 {
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@@ -312,7 +390,114 @@
                     "type": "github"
                 }
             ],
-            "time": "2021-11-09T00:56:02+00:00"
+            "time": "2022-07-09T01:14:15+00:00"
+        },
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+            "notification-url": "https://packagist.org/downloads/",
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+            "description": "Common interface for HTTP clients",
+            "homepage": "https://github.com/php-fig/http-client",
+            "keywords": [
+                "http",
+                "http-client",
+                "psr",
+                "psr-18"
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+            "version": "1.0.1",
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+                }
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+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
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+                    "homepage": "http://www.php-fig.org/"
+                }
+            ],
+            "description": "Common interfaces for PSR-7 HTTP message factories",
+            "keywords": [
+                "factory",
+                "http",
+                "message",
+                "psr",
+                "psr-17",
+                "psr-7",
+                "request",
+                "response"
+            ],
+            "support": {
+                "source": "https://github.com/php-fig/http-factory/tree/master"
+            },
+            "time": "2019-04-30T12:38:16+00:00"
         },
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@@ -362,6 +547,9 @@
                 "request",
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+            "support": {
+                "source": "https://github.com/php-fig/http-message/tree/master"
+            },
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@@ -402,8 +590,79 @@
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             ],
             "description": "A polyfill for getallheaders.",
+            "support": {
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+                "source": "https://github.com/ralouphie/getallheaders/tree/develop"
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+        {
+            "name": "symfony/deprecation-contracts",
+            "version": "v2.5.2",
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+                    "name": "symfony/contracts",
+                    "url": "https://github.com/symfony/contracts"
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+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
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+            "authors": [
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+                    "email": "p@tchwork.com"
+                },
+                {
+                    "name": "Symfony Community",
+                    "homepage": "https://symfony.com/contributors"
+                }
+            ],
+            "description": "A generic function and convention to trigger deprecation notices",
+            "homepage": "https://symfony.com",
+            "support": {
+                "source": "https://github.com/symfony/deprecation-contracts/tree/v2.5.2"
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+            "funding": [
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+                    "type": "custom"
+                },
+                {
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+                    "type": "github"
+                },
+                {
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+                    "type": "tidelift"
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+            ],
+            "time": "2022-01-02T09:53:40+00:00"
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@@ -433,12 +692,12 @@
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-                    "Symfony\\Polyfill\\Intl\\Idn\\": ""
-                },
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@@ -464,6 +723,9 @@
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@@ -511,12 +773,12 @@
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-                    "Symfony\\Polyfill\\Mbstring\\": ""
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@@ -541,6 +803,9 @@
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@@ -559,16 +824,16 @@
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+                "reference": "bf44a9fd41feaac72b074de600314a93e2ae78e2",
                 "shasum": ""
             },
             "require": {
@@ -577,7 +842,7 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-main": "1.23-dev"
+                    "dev-main": "1.26-dev"
                 },
                 "thanks": {
                     "name": "symfony/polyfill",
@@ -585,12 +850,12 @@
                 }
             },
             "autoload": {
-                "psr-4": {
-                    "Symfony\\Polyfill\\Php72\\": ""
-                },
                 "files": [
                     "bootstrap.php"
-                ]
+                ],
+                "psr-4": {
+                    "Symfony\\Polyfill\\Php72\\": ""
+                }
             },
             "notification-url": "https://packagist.org/downloads/",
             "license": [
@@ -614,6 +879,9 @@
                 "portable",
                 "shim"
             ],
+            "support": {
+                "source": "https://github.com/symfony/polyfill-php72/tree/v1.26.0"
+            },
             "funding": [
                 {
                     "url": "https://symfony.com/sponsor",
@@ -628,7 +896,7 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2021-05-27T09:17:38+00:00"
+            "time": "2022-05-24T11:49:31+00:00"
         }
     ],
     "packages-dev": [],
@@ -639,5 +907,5 @@
     "prefer-lowest": false,
     "platform": [],
     "platform-dev": [],
-    "plugin-api-version": "1.1.0"
+    "plugin-api-version": "2.2.0"
 }
diff --git a/owa-plugin.php b/owa-plugin.php
index b64ff9d..60878cd 100644
--- a/owa-plugin.php
+++ b/owa-plugin.php
@@ -5,7 +5,7 @@
 Plugin URI: http://www.openwebanalytics.com
 Description: This plugin enables Wordpress blog owners to use the Open Web Analytics Framework.
 Author: Peter Adams
-Version: 2.1.1
+Version: 2.1.3
 Author URI: http://www.openwebanalytics.com
 */