diff --git a/.travis.yml b/.travis.yml
index 0fb37ed..29ec89d 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,11 +1,13 @@
 language: php
+dist: focal # Ubuntu 20.04 LTS
 
 php:
- - "7.4"
  - "8.0"
  - "8.1"
+ - "8.2"
 
 before_script:
+ - sudo apt-get install libonig5 # https://blog.futtta.be/2023/01/24/adding-php-8-2-in-travis-tests/
  - composer self-update
  - composer --version
  - composer install -n --dev --prefer-source
diff --git a/README.md b/README.md
index 58187d9..d91b91e 100644
--- a/README.md
+++ b/README.md
@@ -32,6 +32,14 @@ And run composer to update your dependencies:
 $ curl -s http://getcomposer.org/installer | php
 $ php composer.phar update
 
+## Library background
+
+Big Give forked this library from [`JustinBusschau/php-govtalk`](https://github.com/JustinBusschau/php-govtalk) in 2021, as that library's
+[no longer maintained](https://github.com/JustinBusschau/php-govtalk/pull/3) for active versions of PHP.
+
+We don't offer support for the library, but plan to maintain it for the foreseeable future, with tests running against verions of PHP [still receiving security support](https://www.php.net/supported-versions.php).
+
+Charities running campaigns on our platform who are using our managed service to claim their Gift Aid can [get in touch here](https://community.biggive.org/s/contact-us).
 
 ## Basic usage
 
diff --git a/composer.json b/composer.json
index f97a9a3..564c831 100644
--- a/composer.json
+++ b/composer.json
@@ -25,12 +25,12 @@
     "config": {
         "optimize-autoloader": true,
         "platform": {
-            "php": "7.4.21"
+            "php": "8.0.28"
         },
         "sort-packages": true
     },
     "require": {
-        "php": "^7.4 | ^8.0",
+        "php": "^8.0",
         "ext-curl": "*",
         "ext-dom": "*",
         "ext-simplexml": "*",