diff --git a/src/DeveloperRoutes.php b/src/DeveloperRoutes.php
index 9fb5bb4..758a39f 100644
--- a/src/DeveloperRoutes.php
+++ b/src/DeveloperRoutes.php
@@ -84,4 +84,10 @@ class DeveloperRoutes extends RouteHandler {
             'header_offset' => (int)$request->getParam('offset', FILTER_SANITIZE_NUMBER_INT),
         ]);
     }
+
+    // this should probably get a more appropriate location somehow
+    #[Route('GET', '/musewave/legacy-version.txt')]
+    public function getMusewaveLegacyVersion(): string {
+        return file_get_contents('https://musewave.flash.moe/legacy-version.txt');
+    }
 }