diff --git a/.gitignore b/.gitignore
index 55940e5..0794651 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,3 @@
 /vendor/
-composer.lock
\ No newline at end of file
+composer.lock
+.phpunit.result.cache
diff --git a/README.md b/README.md
index 721de9b..f4fcdbc 100644
--- a/README.md
+++ b/README.md
@@ -5,7 +5,9 @@ Metadata and some supporting PHP logic for determining which branches of various
 > [!IMPORTANT]
 > Only the `main` branch of this repository is maintained.
 
-You can fetch the JSON by simply fetching the raw copy of `repositories.json` file, e.g. <https://raw.githubusercontent.com/silverstripe/supported-modules/main/repositories.json>, though you're encouraged to use composer to pull in the data instead where appropriate.
+You can fetch the JSON by simply fetching the raw copy of `repositories.json` file, e.g. <https://raw.githubusercontent.com/silverstripe/supported-modules/main/repositories.json>.
+
+If you've included this module as a compser dependency then you can use `SilverStripe\SupportedModules\MetaData::getAllRepositoryMetaData()` which will fetch the latest version of the JSON file from raw.githubusercontent.com.
 
 ## Format
 
diff --git a/phpunit.xml b/phpunit.xml
index d797431..f5e111b 100644
--- a/phpunit.xml
+++ b/phpunit.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<phpunit colors="true">
+<phpunit bootstrap="tests/bootstrap.php" colors="true">
     <testsuites>
         <testsuite name="Default">
             <directory>tests</directory>
diff --git a/src/MetaData.php b/src/MetaData.php
index 41dd9d5..304e68e 100644
--- a/src/MetaData.php
+++ b/src/MetaData.php
@@ -6,6 +6,8 @@
 
 final class MetaData
 {
+    public static $isRunningUnitTests = false;
+
     public const CATEGORY_SUPPORTED = 'supportedModules';
 
     public const CATEGORY_WORKFLOW = 'workflow';
@@ -175,7 +177,17 @@ public static function removeReposNotInCmsMajor(array $metadata, string|int $cms
     public static function getAllRepositoryMetaData(bool $categorised = true): array
     {
         if (empty(self::$repositoryMetaData)) {
-            $rawJson = file_get_contents(__DIR__ . '/../repositories.json');
+            if (self::$isRunningUnitTests) {
+                $rawJson = file_get_contents(__DIR__ . '/../repositories.json');
+            } else {
+                // Dynamicallly fetch the latest data from the supported-modules repository
+                // rather than reading it locally. This is done do that the data is always up-to-date
+                // and there's no need to run composer update and deploy the code to get the latest data.
+                $rawJson = file_get_contents('https://raw.githubusercontent.com/silverstripe/supported-modules/main/repositories.json');
+                if (!$rawJson) {
+                    throw new RuntimeException('Could not fetch repositories.json data');
+                }
+            }
             $decodedJson = json_decode($rawJson, true);
             if ($decodedJson === null) {
                 throw new RuntimeException('Could not parse repositories.json data: ' . json_last_error_msg());
diff --git a/tests/bootstrap.php b/tests/bootstrap.php
new file mode 100644
index 0000000..e96e7a1
--- /dev/null
+++ b/tests/bootstrap.php
@@ -0,0 +1,7 @@
+<?php
+
+use SilverStripe\SupportedModules\MetaData;
+
+require_once __DIR__ . '/../vendor/autoload.php';
+
+MetaData::$isRunningUnitTests = true;