diff --git a/cdek/api.py b/cdek/api.py
index 1eb1e17..8f6e068 100644
--- a/cdek/api.py
+++ b/cdek/api.py
@@ -117,4 +117,6 @@ class CDEKClient:
 
 
 client = CDEKClient(settings.CDEK_CLIENT_ID, settings.CDEK_CLIENT_SECRET)
-client.authorize()
+
+if not is_migration_running():
+    client.authorize()