diff --git a/bin/architectural-decisions b/bin/architectural-decisions
index 658b0ce..eae5e6e 100755
--- a/bin/architectural-decisions
+++ b/bin/architectural-decisions
@@ -3,6 +3,7 @@
 
 use Cspray\AnnotatedTarget\PhpParserAnnotatedTargetParser;
 use Cspray\ArchitecturalDecision\ArchitecturalDecisionAttributeGatherer;
+use Cspray\ArchitecturalDecision\Initializer;
 use Cspray\ArchitecturalDecision\SourceArchitecturalDecisionAttributeRegistry;
 use Cspray\ArchitecturalDecision\XmlDocumentGenerator;
 
@@ -34,6 +35,24 @@ foreach (new RecursiveIteratorIterator(new RecursiveArrayIterator($composerDirs)
     $paths[] = $rootDir . '/' . $composerDir;
 }
 
+$initializers = $composer['extra']['$architecturalDecision']['initializers'] ?? [];
+
+foreach ($initializers as $initializerClass) {
+    $initializerClass = (string) $initializerClass;
+    if (!class_exists($initializerClass)) {
+        echo 'Your configured initializer ' . $initializerClass . ' is not an autoloadable class.';
+        exit(255);
+    }
+
+    if (!is_subclass_of($initializerClass, Initializer::class)) {
+        echo 'Your configured initializer ' . $initializerClass . ' MUST extend ' . Initializer::class;
+        exit(255);
+    }
+
+    $initializer = new $initializerClass();
+    $paths = [...$paths, ...$initializer->getAdditionalScanPaths()];
+}
+
 $attributes = (new SourceArchitecturalDecisionAttributeRegistry($paths))->getArchitecturalDecisionAttributes();
 if (count($attributes) === 0) {
     echo 'You must implement an ArchitecturalDecisionRecord in your codebase before running this command!';
@@ -46,7 +65,11 @@ foreach ($attributes as $attribute) {
 }
 
 if (file_exists($rootDir . '/architectural-decisions.xml')) {
-    unlink($rootDir . '/architectural-decisions.xml');
+    if (file_exists($rootDir . '/architectural-decisions.xml.bak')) {
+        echo 'Please ensure there are no architectural-decisions.xml.bak files before running this command.';
+        exit(255);
+    }
+    rename($rootDir . '/architectural-decisions.xml', $rootDir . '/architectural-decisions.xml.bak');
 }
 
 $xmlGenerator = new XmlDocumentGenerator($gatherer);
diff --git a/src/Initializer.php b/src/Initializer.php
new file mode 100644
index 0000000..65b0248
--- /dev/null
+++ b/src/Initializer.php
@@ -0,0 +1,14 @@
+<?php declare(strict_types=1);
+
+namespace Cspray\ArchitecturalDecision;
+
+abstract class Initializer {
+
+    final public function __construct() {}
+
+    /**
+     * @return list<non-empty-string>
+     */
+    abstract public function getAdditionalScanPaths() : array;
+
+}