diff --git a/noid.py b/noid.py
index 33fb809..ea8809c 100644
--- a/noid.py
+++ b/noid.py
@@ -1,5 +1,6 @@
 #!/usr/bin/env python
 
+from dataclass_persistence import Persistent
 from dataclasses import dataclass, field
 from typing import ClassVar
 
@@ -11,7 +12,7 @@ class Counter():
 
 
 @dataclass
-class Minter():
+class Minter(Persistent):
     legalstring: ClassVar[str] = "0123456789bcdfghjkmnpqrstvwxz"
     alphacount: ClassVar[int] = len(legalstring)
     digitcount: ClassVar[int] = 10