diff --git a/pyproject.toml b/pyproject.toml
index 296ce65..3faa637 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -27,8 +27,8 @@ dependencies = [
     "testrail-api>=1.12.0",
     "pytest==7.1.2",
     "tenacity==8.0.1",
-    "boto3==1.16.33",
-    "boto3-stubs[essential]==1.16.33",
+    "boto3==1.35.30",
+    "boto3-stubs[essential]==1.35.30",
 ]
 requires-python = ">=3.10"
 
diff --git a/requirements.txt b/requirements.txt
index 32e604f..e012366 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,8 +8,8 @@ docstring_parser==0.15
 testrail-api==1.12.0
 tenacity==8.0.1
 pytest==7.1.2
-boto3==1.16.33
-boto3-stubs[essential]==1.16.33
+boto3==1.35.30
+boto3-stubs[essential]==1.35.30
 
 # Dev dependencies
 black==22.8.0
diff --git a/src/frostfs_testlib/s3/boto3_client.py b/src/frostfs_testlib/s3/boto3_client.py
index a644a6f..b434142 100644
--- a/src/frostfs_testlib/s3/boto3_client.py
+++ b/src/frostfs_testlib/s3/boto3_client.py
@@ -94,6 +94,7 @@ class Boto3ClientWrapper(S3ClientWrapper):
             service_name="iam",
             aws_access_key_id=self.access_key_id,
             aws_secret_access_key=self.secret_access_key,
+            region_name=self.region,
             endpoint_url=iam_endpoint,
             verify=False,
         )
diff --git a/src/frostfs_testlib/s3/interfaces.py b/src/frostfs_testlib/s3/interfaces.py
index b1825d5..c4ad4ad 100644
--- a/src/frostfs_testlib/s3/interfaces.py
+++ b/src/frostfs_testlib/s3/interfaces.py
@@ -58,6 +58,10 @@ class S3ClientWrapper(HumanReadableABC):
     def set_endpoint(self, s3gate_endpoint: str):
         """Set endpoint"""
 
+    @abstractmethod
+    def set_iam_endpoint(self, iam_endpoint: str):
+        """Set iam endpoint"""
+
     @abstractmethod
     def create_bucket(
         self,