diff --git a/main.py b/main.py
index fd08151..289ef55 100644
--- a/main.py
+++ b/main.py
@@ -7,7 +7,7 @@ from identicon import Identicon
 
 
 DIGEST_SIZE = 20
-BUF_SIZE = 4096
+BUF_SIZE = 65536
 
 
 def main():