diff --git a/duniterpy/key/base58.py b/duniterpy/key/base58.py
index a4f97a8d3e63c4d5bc37bfaf77d62c31e9ee2802..3c258709402450dc8239f89270f9deb141408960 100644
--- a/duniterpy/key/base58.py
+++ b/duniterpy/key/base58.py
@@ -5,7 +5,7 @@ import base58
 from ..helpers import ensure_str, ensure_bytes
 
 
-class Base58Encoder(object):
+class Base58Encoder:
     @staticmethod
     def encode(data: Union[str, bytes]) -> str:
         """