diff --git a/twilio/base/obsolete.py b/twilio/base/obsolete.py
index 6c89ba86dd..704c39dd94 100644
--- a/twilio/base/obsolete.py
+++ b/twilio/base/obsolete.py
@@ -2,7 +2,7 @@
 import functools
 
 
-class ObsoleteException(BaseException):
+class ObsoleteException(Exception):
     """ Base class for warnings about obsolete features. """
     pass