diff --git a/ydb/iam/auth.py b/ydb/iam/auth.py
index 7b4fa4e8..dac9fb6c 100644
--- a/ydb/iam/auth.py
+++ b/ydb/iam/auth.py
@@ -16,8 +16,13 @@
     from yandex.cloud.iam.v1 import iam_token_service_pb2_grpc
     from yandex.cloud.iam.v1 import iam_token_service_pb2
 except ImportError:
-    iam_token_service_pb2_grpc = None
-    iam_token_service_pb2 = None
+    try:
+        # This attempt is to enable the IAM auth inside the YDB repository on GitHub
+        from ydb.public.api.client.yc_public.iam import iam_token_service_pb2_grpc
+        from ydb.public.api.client.yc_public.iam import iam_token_service_pb2
+    except ImportError:
+        iam_token_service_pb2_grpc = None
+        iam_token_service_pb2 = None
 
 try:
     import requests