diff --git a/pySim/cards.py b/pySim/cards.py
index 18e4ef3..55965d7 100644
--- a/pySim/cards.py
+++ b/pySim/cards.py
@@ -52,7 +52,7 @@
     return res
 
 
-class SimCard(object):
+class SimCard:
 
     name = 'SIM'