diff --git a/src/frostfs_testlib/s3/aws_cli_client.py b/src/frostfs_testlib/s3/aws_cli_client.py
index d94541c..ba95733 100644
--- a/src/frostfs_testlib/s3/aws_cli_client.py
+++ b/src/frostfs_testlib/s3/aws_cli_client.py
@@ -1443,7 +1443,7 @@ class AwsCliClient(S3ClientWrapper):
 
     # MFA METHODS
     @reporter.step("Creates a new virtual MFA device")
-    def iam_create_virtual_mfa_device(self, virtual_mfa_device_name: str, outfile: str, bootstrap_method: str) -> tuple[str, bool]:
+    def iam_create_virtual_mfa_device(self, virtual_mfa_device_name: str, outfile: str, bootstrap_method: str) -> tuple:
         cmd = f"aws {self.common_flags} iam create-virtual-mfa-device --virtual-mfa-device-name {virtual_mfa_device_name}\
               --outfile {outfile} --bootstrap-method {bootstrap_method} --endpoint {self.iam_endpoint}"
 
diff --git a/src/frostfs_testlib/s3/boto3_client.py b/src/frostfs_testlib/s3/boto3_client.py
index 57e21d2..12113ad 100644
--- a/src/frostfs_testlib/s3/boto3_client.py
+++ b/src/frostfs_testlib/s3/boto3_client.py
@@ -1280,7 +1280,7 @@ class Boto3ClientWrapper(S3ClientWrapper):
     @reporter.step("Creates a new virtual MFA device")
     def iam_create_virtual_mfa_device(
         self, virtual_mfa_device_name: str, outfile: Optional[str] = None, bootstrap_method: Optional[str] = None
-    ) -> dict:
+    ) -> tuple:
         response = self.boto3_iam_client.create_virtual_mfa_device(VirtualMFADeviceName=virtual_mfa_device_name)
 
         serial_number = response.get("VirtualMFADevice", {}).get("SerialNumber")