diff --git a/src/frostfs_testlib/clients/s3/boto3_client.py b/src/frostfs_testlib/clients/s3/boto3_client.py
index 4157bd6..bceecdf 100644
--- a/src/frostfs_testlib/clients/s3/boto3_client.py
+++ b/src/frostfs_testlib/clients/s3/boto3_client.py
@@ -90,6 +90,7 @@ class Boto3ClientWrapper(S3ClientWrapper):
             aws_access_key_id=self.access_key_id,
             aws_secret_access_key=self.secret_access_key,
             endpoint_url=iam_endpoint,
+            region_name=self.region,
             verify=False,
         )