diff --git a/libraries/botframework-connector/microsoft/botframework/connector/auth/jwt_token_validation.py b/libraries/botframework-connector/microsoft/botframework/connector/auth/jwt_token_validation.py
index <HASH>..<HASH> 100644
--- a/libraries/botframework-connector/microsoft/botframework/connector/auth/jwt_token_validation.py
+++ b/libraries/botframework-connector/microsoft/botframework/connector/auth/jwt_token_validation.py
@@ -7,7 +7,9 @@ from .channel_validation import ChannelValidation
 from .microsoft_app_credentials import MicrosoftAppCredentials

 

 class JwtTokenValidation:

-    async def assertValidActivity(self, activity, authHeader, credentials):

+    

+    @staticmethod

+    async def assertValidActivity(activity, authHeader, credentials):

         """Validates the security tokens required by the Bot Framework Protocol. Throws on any exceptions.

         activity: The incoming Activity from the Bot Framework or the Emulator

         authHeader:The Bearer token included as part of the request
Converted assertValidActivity method to static method