diff --git a/.codegen.json b/.codegen.json
index 6838714..54a54ef 100644
--- a/.codegen.json
+++ b/.codegen.json
@@ -1 +1 @@
-{ "engineHash": "3970588", "specHash": "d50ab5f", "version": "0.6.2" }
+{ "engineHash": "0d4bf53", "specHash": "d50ab5f", "version": "0.6.2" }
diff --git a/test/client.py b/test/client.py
index 5572d3d..4a35c67 100644
--- a/test/client.py
+++ b/test/client.py
@@ -1,5 +1,7 @@
 from box_sdk_gen.internal.utils import to_string
 
+import pytest
+
 from box_sdk_gen.client import BoxClient
 
 from box_sdk_gen.schemas import UserFull
@@ -12,6 +14,8 @@
 
 from box_sdk_gen.networking.fetch import FetchResponse
 
+from box_sdk_gen.networking.base_urls import BaseUrls
+
 client: BoxClient = get_default_client()
 
 
@@ -47,3 +51,14 @@ def testWithExtraHeaders():
     app_user: UserFull = as_user_client.users.get_user_me()
     assert to_string(app_user.name) == user_name
     client.users.delete_user_by_id(created_user.id)
+
+
+def testWithCustomBaseUrls():
+    new_base_urls: BaseUrls = BaseUrls(
+        base_url='https://box.com/',
+        upload_url='https://box.com/',
+        oauth_2_url='https://box.com/',
+    )
+    custom_base_client: BoxClient = client.with_custom_base_urls(new_base_urls)
+    with pytest.raises(Exception):
+        custom_base_client.users.get_user_me()