diff --git a/bandwidth/api_client.py b/bandwidth/api_client.py
index 5c39aefd..b3ac9f14 100644
--- a/bandwidth/api_client.py
+++ b/bandwidth/api_client.py
@@ -77,7 +77,7 @@ def __init__(self, configuration=None, header_name=None, header_value=None,
             self.default_headers[header_name] = header_value
         self.cookie = cookie
         # Set default User-Agent.
-        self.user_agent = 'OpenAPI-Generator/1.0.0/python'
+        self.user_agent = 'OpenAPI-Generator/15.0.0b1/python'
 
     def __enter__(self):
         return self