diff --git a/lib/AppInfo/Application.php b/lib/AppInfo/Application.php
index a0f50f199..4997e7ded 100644
--- a/lib/AppInfo/Application.php
+++ b/lib/AppInfo/Application.php
@@ -50,7 +50,9 @@ class Application extends App implements IBootstrap {
 		'image/png',
 		'image/jpeg',
 		'image/heic',
+		'image/heif',
 		'image/webp',
+		'image/avif',
 		// 'image/gif',			// too rarely used for photos
 		// 'image/x-xbitmap',	// too rarely used for photos
 		// 'image/bmp',			// too rarely used for photos