diff --git a/src/danog/MadelineProto/MTProto.php b/src/danog/MadelineProto/MTProto.php
index d114752c..5b846cdd 100644
--- a/src/danog/MadelineProto/MTProto.php
+++ b/src/danog/MadelineProto/MTProto.php
@@ -717,7 +717,7 @@ class MTProto extends \Volatile
 
     public function getV()
     {
-        return 37;
+        return 38;
     }
 
     public function get_self()
diff --git a/src/danog/MadelineProto/TL_secret.tl b/src/danog/MadelineProto/TL_secret.tl
index 3e0c5c16..c3424dc2 100644
--- a/src/danog/MadelineProto/TL_secret.tl
+++ b/src/danog/MadelineProto/TL_secret.tl
@@ -68,3 +68,6 @@ decryptedMessageMediaWebPage#e50511d8 url:string = DecryptedMessageMedia;
 
 ===55===
 documentAttributeSticker#3a556302 alt:string stickerset:InputStickerSet = DocumentAttribute;
+
+===66===
+documentAttributeVideo#ef02ce6 flags:# round_message:flags.0?true duration:int w:int h:int = DocumentAttribute;