diff --git a/src/validators/typings.py b/src/validators/typings.py
index 56d0a01..ef79a89 100644
--- a/src/validators/typings.py
+++ b/src/validators/typings.py
@@ -9,8 +9,8 @@
 
 
 class ValidatorType(Enum):
-    V1 = 'V1'
-    V2 = 'V2'
+    V1 = '0x01'
+    V2 = '0x02'
 
 
 @dataclass