diff --git a/aiogram/__init__.py b/aiogram/__init__.py
index 5f32025b..e30ce6ef 100644
--- a/aiogram/__init__.py
+++ b/aiogram/__init__.py
@@ -3,8 +3,9 @@ from .bot import Bot
 
 major_version = 0
 minor_version = 3
+major_build = 1
 build_type = ''
 build_number = ''
 
 
-__version__ = f"{major_version}.{minor_version}{build_type}{build_number}"
+__version__ = f"{major_version}.{minor_version}.{major_build}.{build_type}{build_number}"