diff --git a/aiosnmp/__init__.py b/aiosnmp/__init__.py
index b3877b5..70b717a 100644
--- a/aiosnmp/__init__.py
+++ b/aiosnmp/__init__.py
@@ -1,5 +1,5 @@
 __all__ = ("Snmp", "SnmpV2TrapMessage", "SnmpV2TrapServer", "exceptions")
-__version__ = "0.3.1"
+__version__ = "0.4.0"
 __author__ = "Valetov Konstantin"
 
 from .message import SnmpV2TrapMessage