diff --git a/clearml_agent/backend_api/config/__init__.py b/clearml_agent/backend_api/config/__init__.py
index 9a3aef5..5bd3f43 100644
--- a/clearml_agent/backend_api/config/__init__.py
+++ b/clearml_agent/backend_api/config/__init__.py
@@ -1,6 +1,6 @@
 from ...backend_config import Config
 from ...backend_config.defs import ENV_CONFIG_VERBOSE
-from pathlib2 import Path
+from ..._vendor.pathlib2 import Path
 
 
 def load(*additional_module_paths):
diff --git a/clearml_agent/backend_api/schema/action.py b/clearml_agent/backend_api/schema/action.py
index f2fe2bd..389275b 100644
--- a/clearml_agent/backend_api/schema/action.py
+++ b/clearml_agent/backend_api/schema/action.py
@@ -1,10 +1,10 @@
 import re
 from functools import partial
 
-import attr
-from attr.converters import optional as optional_converter
-from attr.validators import instance_of, optional, and_
-from six import string_types
+from ..._vendor import attr
+from ..._vendor.attr.converters import optional as optional_converter
+from ..._vendor.attr.validators import instance_of, optional, and_
+from ..._vendor.six import string_types
 
 # noinspection PyTypeChecker
 sequence = instance_of((list, tuple))
diff --git a/clearml_agent/backend_api/schema/service.py b/clearml_agent/backend_api/schema/service.py
index 1eb2e01..783e87d 100644
--- a/clearml_agent/backend_api/schema/service.py
+++ b/clearml_agent/backend_api/schema/service.py
@@ -1,8 +1,8 @@
 import itertools
 import re
 
-import attr
-import six
+from ..._vendor import attr
+from ..._vendor import six
 
 from clearml_agent.external import pyhocon
 
diff --git a/clearml_agent/backend_api/services/v2_4/auth.py b/clearml_agent/backend_api/services/v2_4/auth.py
index 20ab856..ef2c5a3 100644
--- a/clearml_agent/backend_api/services/v2_4/auth.py
+++ b/clearml_agent/backend_api/services/v2_4/auth.py
@@ -4,12 +4,12 @@ auth service
 This service provides authentication management and authorization
 validation for the entire system.
 """
-import six
+from ...._vendor import six
 import types
 from datetime import datetime
 import enum
 
-from dateutil.parser import parse as parse_datetime
+from ...._vendor.dateutil.parser import parse as parse_datetime
 
 from ....backend_api.session import Request, BatchRequest, Response, DataModel, NonStrictDataModel, CompoundRequest, schema_property, StringEnum
 
diff --git a/clearml_agent/backend_api/services/v2_4/debug.py b/clearml_agent/backend_api/services/v2_4/debug.py
index b72cd48..7e6659c 100644
--- a/clearml_agent/backend_api/services/v2_4/debug.py
+++ b/clearml_agent/backend_api/services/v2_4/debug.py
@@ -3,12 +3,12 @@ debug service
 
 Debugging utilities
 """
-import six
+from ...._vendor import six
 import types
 from datetime import datetime
 import enum
 
-from dateutil.parser import parse as parse_datetime
+from ...._vendor.dateutil.parser import parse as parse_datetime
 
 from ....backend_api.session import Request, BatchRequest, Response, DataModel, NonStrictDataModel, CompoundRequest, schema_property, StringEnum
 
diff --git a/clearml_agent/backend_api/services/v2_4/events.py b/clearml_agent/backend_api/services/v2_4/events.py
index 58f455d..2341a24 100644
--- a/clearml_agent/backend_api/services/v2_4/events.py
+++ b/clearml_agent/backend_api/services/v2_4/events.py
@@ -3,12 +3,12 @@ events service
 
 Provides an API for running tasks to report events collected by the system.
 """
-import six
+from ...._vendor import six
 import types
 from datetime import datetime
 import enum
 
-from dateutil.parser import parse as parse_datetime
+from ...._vendor.dateutil.parser import parse as parse_datetime
 
 from ....backend_api.session import Request, BatchRequest, Response, DataModel, NonStrictDataModel, CompoundRequest, schema_property, StringEnum
 
diff --git a/clearml_agent/backend_api/services/v2_4/models.py b/clearml_agent/backend_api/services/v2_4/models.py
index 4c0247a..b52750f 100644
--- a/clearml_agent/backend_api/services/v2_4/models.py
+++ b/clearml_agent/backend_api/services/v2_4/models.py
@@ -3,12 +3,12 @@ models service
 
 This service provides a management interface for models (results of training tasks) stored in the system.
 """
-import six
+from ...._vendor import six
 import types
 from datetime import datetime
 import enum
 
-from dateutil.parser import parse as parse_datetime
+from ...._vendor.dateutil.parser import parse as parse_datetime
 
 from ....backend_api.session import Request, BatchRequest, Response, DataModel, NonStrictDataModel, CompoundRequest, schema_property, StringEnum
 
diff --git a/clearml_agent/backend_api/services/v2_4/queues.py b/clearml_agent/backend_api/services/v2_4/queues.py
index f4e0473..e027c9e 100644
--- a/clearml_agent/backend_api/services/v2_4/queues.py
+++ b/clearml_agent/backend_api/services/v2_4/queues.py
@@ -3,12 +3,12 @@ queues service
 
 Provides a management API for queues of tasks waiting to be executed by workers deployed anywhere (see Workers Service).
 """
-import six
+from ...._vendor import six
 import types
 from datetime import datetime
 import enum
 
-from dateutil.parser import parse as parse_datetime
+from ...._vendor.dateutil.parser import parse as parse_datetime
 
 from ....backend_api.session import Request, BatchRequest, Response, DataModel, NonStrictDataModel, CompoundRequest, schema_property, StringEnum
 
diff --git a/clearml_agent/backend_api/services/v2_4/tasks.py b/clearml_agent/backend_api/services/v2_4/tasks.py
index 1fb7c77..4b9f98a 100644
--- a/clearml_agent/backend_api/services/v2_4/tasks.py
+++ b/clearml_agent/backend_api/services/v2_4/tasks.py
@@ -6,8 +6,8 @@ Provides a management API for tasks in the system.
 import enum
 from datetime import datetime
 
-import six
-from dateutil.parser import parse as parse_datetime
+from ...._vendor import six
+from ...._vendor.dateutil.parser import parse as parse_datetime
 
 from ....backend_api.session import Request, BatchRequest, Response, NonStrictDataModel, schema_property, StringEnum
 
diff --git a/clearml_agent/backend_api/services/v2_4/workers.py b/clearml_agent/backend_api/services/v2_4/workers.py
index 538dcb6..5753e51 100644
--- a/clearml_agent/backend_api/services/v2_4/workers.py
+++ b/clearml_agent/backend_api/services/v2_4/workers.py
@@ -3,12 +3,12 @@ workers service
 
 Provides an API for worker machines, allowing workers to report status and get tasks for execution
 """
-import six
+from ...._vendor import six
 import types
 from datetime import datetime
 import enum
 
-from dateutil.parser import parse as parse_datetime
+from ...._vendor.dateutil.parser import parse as parse_datetime
 
 from ...session import Request, BatchRequest, Response, DataModel, NonStrictDataModel, CompoundRequest, schema_property, StringEnum
 
diff --git a/clearml_agent/backend_api/services/v2_5/auth.py b/clearml_agent/backend_api/services/v2_5/auth.py
index 3ef37e5..bb91a0c 100644
--- a/clearml_agent/backend_api/services/v2_5/auth.py
+++ b/clearml_agent/backend_api/services/v2_5/auth.py
@@ -4,12 +4,12 @@ auth service
 This service provides authentication management and authorization
 validation for the entire system.
 """
-import six
+from ...._vendor import six
 import types
 from datetime import datetime
 import enum
 
-from dateutil.parser import parse as parse_datetime
+from ...._vendor.dateutil.parser import parse as parse_datetime
 
 from ....backend_api.session import Request, BatchRequest, Response, DataModel, NonStrictDataModel, CompoundRequest, schema_property, StringEnum
 
diff --git a/clearml_agent/backend_api/services/v2_5/debug.py b/clearml_agent/backend_api/services/v2_5/debug.py
index 9699985..ebcbd87 100644
--- a/clearml_agent/backend_api/services/v2_5/debug.py
+++ b/clearml_agent/backend_api/services/v2_5/debug.py
@@ -3,12 +3,12 @@ debug service
 
 Debugging utilities
 """
-import six
+from ...._vendor import six
 import types
 from datetime import datetime
 import enum
 
-from dateutil.parser import parse as parse_datetime
+from ...._vendor.dateutil.parser import parse as parse_datetime
 
 from ....backend_api.session import Request, BatchRequest, Response, DataModel, NonStrictDataModel, CompoundRequest, schema_property, StringEnum
 
diff --git a/clearml_agent/backend_api/services/v2_5/events.py b/clearml_agent/backend_api/services/v2_5/events.py
index 8b0e8e7..74703c6 100644
--- a/clearml_agent/backend_api/services/v2_5/events.py
+++ b/clearml_agent/backend_api/services/v2_5/events.py
@@ -3,12 +3,12 @@ events service
 
 Provides an API for running tasks to report events collected by the system.
 """
-import six
+from ...._vendor import six
 import types
 from datetime import datetime
 import enum
 
-from dateutil.parser import parse as parse_datetime
+from ...._vendor.dateutil.parser import parse as parse_datetime
 
 from ....backend_api.session import Request, BatchRequest, Response, DataModel, NonStrictDataModel, CompoundRequest, schema_property, StringEnum
 
diff --git a/clearml_agent/backend_api/services/v2_5/models.py b/clearml_agent/backend_api/services/v2_5/models.py
index 450889d..1113f17 100644
--- a/clearml_agent/backend_api/services/v2_5/models.py
+++ b/clearml_agent/backend_api/services/v2_5/models.py
@@ -3,12 +3,12 @@ models service
 
 This service provides a management interface for models (results of training tasks) stored in the system.
 """
-import six
+from ...._vendor import six
 import types
 from datetime import datetime
 import enum
 
-from dateutil.parser import parse as parse_datetime
+from ...._vendor.dateutil.parser import parse as parse_datetime
 
 from ....backend_api.session import Request, BatchRequest, Response, DataModel, NonStrictDataModel, CompoundRequest, schema_property, StringEnum
 
diff --git a/clearml_agent/backend_api/services/v2_5/queues.py b/clearml_agent/backend_api/services/v2_5/queues.py
index 4ca8bfe..dae61ea 100644
--- a/clearml_agent/backend_api/services/v2_5/queues.py
+++ b/clearml_agent/backend_api/services/v2_5/queues.py
@@ -3,12 +3,12 @@ queues service
 
 Provides a management API for queues of tasks waiting to be executed by workers deployed anywhere (see Workers Service).
 """
-import six
+from ...._vendor import six
 import types
 from datetime import datetime
 import enum
 
-from dateutil.parser import parse as parse_datetime
+from ...._vendor.dateutil.parser import parse as parse_datetime
 
 from ....backend_api.session import Request, BatchRequest, Response, DataModel, NonStrictDataModel, CompoundRequest, schema_property, StringEnum
 
diff --git a/clearml_agent/backend_api/services/v2_5/tasks.py b/clearml_agent/backend_api/services/v2_5/tasks.py
index af053e8..2e76ec9 100644
--- a/clearml_agent/backend_api/services/v2_5/tasks.py
+++ b/clearml_agent/backend_api/services/v2_5/tasks.py
@@ -3,12 +3,12 @@ tasks service
 
 Provides a management API for tasks in the system.
 """
-import six
+from ...._vendor import six
 import types
 from datetime import datetime
 import enum
 
-from dateutil.parser import parse as parse_datetime
+from ...._vendor.dateutil.parser import parse as parse_datetime
 
 from ....backend_api.session import Request, BatchRequest, Response, NonStrictDataModel, schema_property, StringEnum
 
diff --git a/clearml_agent/backend_api/services/v2_5/workers.py b/clearml_agent/backend_api/services/v2_5/workers.py
index 1f31f98..eab4c09 100644
--- a/clearml_agent/backend_api/services/v2_5/workers.py
+++ b/clearml_agent/backend_api/services/v2_5/workers.py
@@ -3,12 +3,12 @@ workers service
 
 Provides an API for worker machines, allowing workers to report status and get tasks for execution
 """
-import six
+from ...._vendor import six
 import types
 from datetime import datetime
 import enum
 
-from dateutil.parser import parse as parse_datetime
+from ...._vendor.dateutil.parser import parse as parse_datetime
 
 from ....backend_api.session import Request, BatchRequest, Response, DataModel, NonStrictDataModel, CompoundRequest, schema_property, StringEnum
 
diff --git a/clearml_agent/backend_api/session/client/client.py b/clearml_agent/backend_api/session/client/client.py
index cda927e..a3e0fd3 100644
--- a/clearml_agent/backend_api/session/client/client.py
+++ b/clearml_agent/backend_api/session/client/client.py
@@ -12,7 +12,7 @@ from operator import itemgetter
 from types import ModuleType
 from typing import Dict, Text, Tuple, Type, Any, Sequence
 
-import six
+from ...._vendor import six
 from ... import services as api_services
 from ....backend_api.session import CallResult
 from ....backend_api.session import Session, Request as APIRequest
diff --git a/clearml_agent/backend_api/session/datamodel.py b/clearml_agent/backend_api/session/datamodel.py
index 0472258..2b3cb6f 100644
--- a/clearml_agent/backend_api/session/datamodel.py
+++ b/clearml_agent/backend_api/session/datamodel.py
@@ -5,10 +5,10 @@ import json
 import warnings
 from datetime import datetime
 
-import jsonschema
+from ..._vendor import jsonschema
 from enum import Enum
 
-import six
+from ..._vendor import six
 
 
 def format_date(obj):
diff --git a/clearml_agent/backend_api/session/jsonmodels/builders.py b/clearml_agent/backend_api/session/jsonmodels/builders.py
index 719f47f..b6ad5cd 100644
--- a/clearml_agent/backend_api/session/jsonmodels/builders.py
+++ b/clearml_agent/backend_api/session/jsonmodels/builders.py
@@ -4,7 +4,7 @@ from __future__ import absolute_import
 
 from collections import defaultdict
 
-import six
+from ...._vendor import six
 
 from . import errors
 from .fields import NotSet
diff --git a/clearml_agent/backend_api/session/jsonmodels/fields.py b/clearml_agent/backend_api/session/jsonmodels/fields.py
index d2d738a..6ffce45 100644
--- a/clearml_agent/backend_api/session/jsonmodels/fields.py
+++ b/clearml_agent/backend_api/session/jsonmodels/fields.py
@@ -2,8 +2,8 @@ import datetime
 import re
 from weakref import WeakKeyDictionary
 
-import six
-from dateutil.parser import parse
+from ...._vendor import six
+from ...._vendor.dateutil.parser import parse
 
 from .errors import ValidationError
 from .collections import ModelCollection
diff --git a/clearml_agent/backend_api/session/jsonmodels/models.py b/clearml_agent/backend_api/session/jsonmodels/models.py
index da4bbac..d891b97 100644
--- a/clearml_agent/backend_api/session/jsonmodels/models.py
+++ b/clearml_agent/backend_api/session/jsonmodels/models.py
@@ -1,4 +1,4 @@
-import six
+from ...._vendor import six
 
 from . import parsers, errors
 from .fields import BaseField
diff --git a/clearml_agent/backend_api/session/jsonmodels/utilities.py b/clearml_agent/backend_api/session/jsonmodels/utilities.py
index 59326fa..3a80b79 100644
--- a/clearml_agent/backend_api/session/jsonmodels/utilities.py
+++ b/clearml_agent/backend_api/session/jsonmodels/utilities.py
@@ -1,6 +1,6 @@
 from __future__ import absolute_import
 
-import six
+from ...._vendor import six
 import re
 from collections import namedtuple
 
diff --git a/clearml_agent/backend_api/session/jsonmodels/validators.py b/clearml_agent/backend_api/session/jsonmodels/validators.py
index ef9ff80..35d66cd 100644
--- a/clearml_agent/backend_api/session/jsonmodels/validators.py
+++ b/clearml_agent/backend_api/session/jsonmodels/validators.py
@@ -1,7 +1,7 @@
 """Predefined validators."""
 import re
 
-from six.moves import reduce
+from ...._vendor.six.moves import reduce
 
 from .errors import ValidationError
 from . import utilities
diff --git a/clearml_agent/backend_api/session/request.py b/clearml_agent/backend_api/session/request.py
index 2d7d2ab..2ab02f7 100644
--- a/clearml_agent/backend_api/session/request.py
+++ b/clearml_agent/backend_api/session/request.py
@@ -1,7 +1,7 @@
 import abc
 
-import jsonschema
-import six
+from ..._vendor import jsonschema
+from ..._vendor import six
 
 from .apimodel import ApiModel
 from .datamodel import DataModel
diff --git a/clearml_agent/backend_api/session/response.py b/clearml_agent/backend_api/session/response.py
index 9025354..f16ef21 100644
--- a/clearml_agent/backend_api/session/response.py
+++ b/clearml_agent/backend_api/session/response.py
@@ -1,6 +1,6 @@
 import requests
 
-import six
+from ..._vendor import six
 
 from . import jsonmodels
 from .apimodel import ApiModel
diff --git a/clearml_agent/backend_api/session/session.py b/clearml_agent/backend_api/session/session.py
index b1894d2..998daf8 100644
--- a/clearml_agent/backend_api/session/session.py
+++ b/clearml_agent/backend_api/session/session.py
@@ -8,12 +8,12 @@ from random import SystemRandom
 from socket import gethostname
 from typing import Optional
 
-import jwt
+from ..._vendor import jwt
 import requests
-import six
+from ..._vendor import six
 from requests import RequestException
 from requests.auth import HTTPBasicAuth
-from six.moves.urllib.parse import urlparse, urlunparse
+from ..._vendor.six.moves.urllib.parse import urlparse, urlunparse
 
 from clearml_agent.external.pyhocon import ConfigTree, ConfigFactory
 from .callresult import CallResult
diff --git a/clearml_agent/backend_api/session/token_manager.py b/clearml_agent/backend_api/session/token_manager.py
index 16aba32..83b6921 100644
--- a/clearml_agent/backend_api/session/token_manager.py
+++ b/clearml_agent/backend_api/session/token_manager.py
@@ -2,9 +2,9 @@ import sys
 from abc import ABCMeta, abstractmethod
 from time import time
 
-import jwt
-from jwt.algorithms import get_default_algorithms
-import six
+from ..._vendor import jwt
+from ..._vendor.jwt.algorithms import get_default_algorithms
+from ..._vendor import six
 
 
 @six.add_metaclass(ABCMeta)
diff --git a/clearml_agent/backend_config/config.py b/clearml_agent/backend_config/config.py
index d7a8f60..c141d3b 100644
--- a/clearml_agent/backend_config/config.py
+++ b/clearml_agent/backend_config/config.py
@@ -7,9 +7,9 @@ import sys
 from os.path import expanduser
 from typing import Any
 
-import six
-from pathlib2 import Path
-from pyparsing import (
+from .._vendor import six
+from .._vendor.pathlib2 import Path
+from .._vendor.pyparsing import (
     ParseFatalException,
     ParseException,
     RecursiveGrammarException,
diff --git a/clearml_agent/backend_config/defs.py b/clearml_agent/backend_config/defs.py
index 2b13bba..3650b13 100644
--- a/clearml_agent/backend_config/defs.py
+++ b/clearml_agent/backend_config/defs.py
@@ -1,5 +1,5 @@
 from os.path import expanduser
-from pathlib2 import Path
+from .._vendor.pathlib2 import Path
 
 from ..backend_config.environment import EnvEntry
 
diff --git a/clearml_agent/backend_config/log.py b/clearml_agent/backend_config/log.py
index 87d24ef..ba2a25a 100644
--- a/clearml_agent/backend_config/log.py
+++ b/clearml_agent/backend_config/log.py
@@ -1,6 +1,6 @@
 import logging.config
 
-from pathlib2 import Path
+from .._vendor.pathlib2 import Path
 
 
 def logger(path=None):
diff --git a/clearml_agent/commands/base.py b/clearml_agent/commands/base.py
index 664d2a5..ca18dd8 100644
--- a/clearml_agent/commands/base.py
+++ b/clearml_agent/commands/base.py
@@ -12,7 +12,7 @@ from typing import Text
 from clearml_agent.helper.console import ListFormatter, print_text
 from clearml_agent.helper.dicts import filter_keys
 
-import six
+from .._vendor import six
 from clearml_agent.backend_api import services
 
 from clearml_agent.errors import APIError, CommandFailedError
diff --git a/clearml_agent/commands/config.py b/clearml_agent/commands/config.py
index d8d2f49..0976425 100644
--- a/clearml_agent/commands/config.py
+++ b/clearml_agent/commands/config.py
@@ -2,9 +2,9 @@ from __future__ import print_function
 
 from typing import Dict, Optional
 
-from pathlib2 import Path
-from six.moves import input
-from six.moves.urllib.parse import urlparse
+from .._vendor.pathlib2 import Path
+from .._vendor.six.moves import input
+from .._vendor.six.moves.urllib.parse import urlparse
 
 from clearml_agent.backend_api.session import Session
 from clearml_agent.backend_api.session.defs import ENV_HOST
diff --git a/clearml_agent/commands/worker.py b/clearml_agent/commands/worker.py
index 8f47cc6..df68e59 100644
--- a/clearml_agent/commands/worker.py
+++ b/clearml_agent/commands/worker.py
@@ -25,10 +25,10 @@ from tempfile import mkdtemp, NamedTemporaryFile
 from time import sleep, time
 from typing import Text, Optional, Any, Tuple, List, Dict, Mapping, Union
 
-import attr
-import six
-from pathlib2 import Path
-from six.moves.urllib.parse import quote
+from .._vendor import attr
+from .._vendor import six
+from .._vendor.pathlib2 import Path
+from .._vendor.six.moves.urllib.parse import quote
 
 from clearml_agent.external.pyhocon import ConfigTree, ConfigFactory
 from clearml_agent.backend_api.services import auth as auth_api
diff --git a/clearml_agent/config.py b/clearml_agent/config.py
index 645a451..717cadf 100644
--- a/clearml_agent/config.py
+++ b/clearml_agent/config.py
@@ -1,4 +1,4 @@
-import six
+from ._vendor import six
 
 from clearml_agent.external.pyhocon import ConfigTree
 from clearml_agent.helper.base import Singleton
diff --git a/clearml_agent/definitions.py b/clearml_agent/definitions.py
index 23c66ff..d115147 100644
--- a/clearml_agent/definitions.py
+++ b/clearml_agent/definitions.py
@@ -4,8 +4,8 @@ from enum import IntEnum
 from os import getenv, environ
 from typing import Text, Optional, Union, Tuple, Any
 
-import six
-from pathlib2 import Path
+from ._vendor import six
+from ._vendor.pathlib2 import Path
 
 from clearml_agent.helper.base import normalize_path
 from clearml_agent.helper.environment.converters import strtobool
diff --git a/clearml_agent/errors.py b/clearml_agent/errors.py
index 00f7694..7538356 100644
--- a/clearml_agent/errors.py
+++ b/clearml_agent/errors.py
@@ -1,7 +1,7 @@
 from typing import Union, Optional, Text
 
 import requests
-import six
+from ._vendor import six
 from .backend_api import CallResult
 from .backend_api.session.client import APIError as ClientAPIError
 from .backend_api.session.response import ResponseMeta
diff --git a/clearml_agent/external/pyhocon/config_parser.py b/clearml_agent/external/pyhocon/config_parser.py
index 5e4a112..1b0b46b 100644
--- a/clearml_agent/external/pyhocon/config_parser.py
+++ b/clearml_agent/external/pyhocon/config_parser.py
@@ -6,9 +6,9 @@ import contextlib
 import codecs
 from datetime import timedelta
 
-from pyparsing import Forward, Keyword, QuotedString, Word, Literal, Suppress, Regex, Optional, SkipTo, ZeroOrMore, \
+from ..._vendor.pyparsing import Forward, Keyword, QuotedString, Word, Literal, Suppress, Regex, Optional, SkipTo, ZeroOrMore, \
     Group, lineno, col, TokenConverter, replaceWith, alphanums, alphas8bit, ParseSyntaxException, StringEnd
-from pyparsing import ParserElement
+from ..._vendor.pyparsing import ParserElement
 from .config_tree import ConfigTree, ConfigSubstitution, ConfigList, ConfigValues, ConfigUnquotedString, \
     ConfigInclude, NoneValue, ConfigQuotedString
 from .exceptions import ConfigSubstitutionException, ConfigMissingException, ConfigException
@@ -56,7 +56,7 @@ class STR_SUBSTITUTION(object):
 
 def period(period_value, period_unit):
     try:
-        from dateutil.relativedelta import relativedelta as period_impl
+        from ..._vendor.dateutil.relativedelta import relativedelta as period_impl
     except Exception:
         from datetime import timedelta as period_impl
 
@@ -219,7 +219,7 @@ class ConfigParser(object):
             cls.supported_period_map.update(cls.period_type_map)
 
             try:
-                from dateutil import relativedelta
+                from ..._vendor.dateutil import relativedelta
 
                 if relativedelta is not None:
                     cls.supported_period_map.update(cls.optional_period_type_map)
diff --git a/clearml_agent/external/pyhocon/config_tree.py b/clearml_agent/external/pyhocon/config_tree.py
index 138a977..0d65dce 100644
--- a/clearml_agent/external/pyhocon/config_tree.py
+++ b/clearml_agent/external/pyhocon/config_tree.py
@@ -1,6 +1,6 @@
 from collections import OrderedDict
-from pyparsing import lineno
-from pyparsing import col
+from ..._vendor.pyparsing import lineno
+from ..._vendor.pyparsing import col
 try:
     basestring
 except NameError:  # pragma: no cover
diff --git a/clearml_agent/glue/k8s.py b/clearml_agent/glue/k8s.py
index 36ce6bf..dec582f 100644
--- a/clearml_agent/glue/k8s.py
+++ b/clearml_agent/glue/k8s.py
@@ -16,8 +16,6 @@ from pprint import pformat
 from time import sleep, time
 from typing import Text, List, Callable, Any, Collection, Optional, Union, Iterable, Dict, Tuple, Set
 
-import yaml
-
 from clearml_agent.commands.events import Events
 from clearml_agent.commands.worker import Worker, get_task_container, set_task_container, get_next_task
 from clearml_agent.definitions import (
@@ -45,6 +43,7 @@ from clearml_agent.glue.definitions import (
     ENV_KUBECTL_IGNORE_ERROR,
     ENV_DEFAULT_SCHEDULER_QUEUE_TAGS,
 )
+from .._vendor import pyyaml as yaml
 
 
 class K8sIntegration(Worker):
diff --git a/clearml_agent/helper/base.py b/clearml_agent/helper/base.py
index 11db9eb..093c33d 100644
--- a/clearml_agent/helper/base.py
+++ b/clearml_agent/helper/base.py
@@ -17,13 +17,13 @@ from collections import OrderedDict
 from functools import total_ordering
 from typing import Text, Dict, Any, Optional, AnyStr, IO, Union
 
-import attr
-import furl
-import six
-import yaml
-from attr import fields_dict
-from pathlib2 import Path
-from six.moves import reduce
+from .._vendor import attr
+from .._vendor import furl
+from .._vendor import six
+from .._vendor.attr import fields_dict
+from .._vendor.pathlib2 import Path
+from .._vendor.six.moves import reduce  # noqa
+from .._vendor import pyyaml as yaml
 
 from clearml_agent.errors import CommandFailedError
 from clearml_agent.external import pyhocon
diff --git a/clearml_agent/helper/console.py b/clearml_agent/helper/console.py
index 558c589..9d313be 100644
--- a/clearml_agent/helper/console.py
+++ b/clearml_agent/helper/console.py
@@ -5,10 +5,10 @@ import sys
 from collections.abc import Iterable
 from typing import List, Dict, Text, Any
 
-from attr import attrs, attrib
+from .._vendor.attr import attrs, attrib
 
-import six
-from six import binary_type, text_type
+from .._vendor import six
+from .._vendor.six import binary_type, text_type
 from clearml_agent.helper.base import nonstrict_in_place_sort
 
 
diff --git a/clearml_agent/helper/environment/converters.py b/clearml_agent/helper/environment/converters.py
index 8af5751..df7a68f 100644
--- a/clearml_agent/helper/environment/converters.py
+++ b/clearml_agent/helper/environment/converters.py
@@ -1,7 +1,7 @@
 import base64
 from typing import Union, Optional, Any, TypeVar, Callable, Tuple
 
-import six
+from ..._vendor import six
 
 try:
     from typing import Text
@@ -83,4 +83,3 @@ def strtobool(val):
         return 0
     else:
         raise ValueError("invalid truth value %r" % (val,))
-
diff --git a/clearml_agent/helper/environment/entry.py b/clearml_agent/helper/environment/entry.py
index 4d5174a..0a39916 100644
--- a/clearml_agent/helper/environment/entry.py
+++ b/clearml_agent/helper/environment/entry.py
@@ -1,7 +1,7 @@
 import abc
 from typing import Optional, Any, Tuple, Callable, Dict
 
-import six
+from ..._vendor import six
 
 from .converters import any_to_bool
 
diff --git a/clearml_agent/helper/os/folder_cache.py b/clearml_agent/helper/os/folder_cache.py
index e192615..798e4ad 100644
--- a/clearml_agent/helper/os/folder_cache.py
+++ b/clearml_agent/helper/os/folder_cache.py
@@ -6,7 +6,7 @@ from time import time
 from typing import List, Optional, Sequence
 
 import psutil
-from pathlib2 import Path
+from ..._vendor.pathlib2 import Path
 
 from .locks import FileLock
 
diff --git a/clearml_agent/helper/package/base.py b/clearml_agent/helper/package/base.py
index 378a6a3..caf8e99 100644
--- a/clearml_agent/helper/package/base.py
+++ b/clearml_agent/helper/package/base.py
@@ -6,8 +6,8 @@ from contextlib import contextmanager
 from hashlib import md5
 from typing import Text, Iterable, Union, Optional, Dict, List
 
-import six
-from pathlib2 import Path
+from ..._vendor import six
+from ..._vendor.pathlib2 import Path
 
 from clearml_agent.definitions import ENV_VENV_CACHE_PATH
 from clearml_agent.helper.base import mkstemp, safe_remove_file, join_lines, select_for_platform
diff --git a/clearml_agent/helper/package/conda_api.py b/clearml_agent/helper/package/conda_api.py
index 8fa297d..ca3ae34 100644
--- a/clearml_agent/helper/package/conda_api.py
+++ b/clearml_agent/helper/package/conda_api.py
@@ -9,11 +9,11 @@ from functools import partial
 from itertools import chain
 from typing import Text, Iterable, Union, Dict, Set, Sequence, Any
 
-import six
-import yaml
+from ..._vendor import six
+from ..._vendor import pyyaml as yaml
 from time import time
-from attr import attrs, attrib, Factory
-from pathlib2 import Path
+from ..._vendor.attr import attrs, attrib, Factory
+from ..._vendor.pathlib2 import Path
 from clearml_agent.external.requirements_parser import parse
 from clearml_agent.external.requirements_parser.requirement import Requirement
 
diff --git a/clearml_agent/helper/package/external_req.py b/clearml_agent/helper/package/external_req.py
index b9f379a..4deb235 100644
--- a/clearml_agent/helper/package/external_req.py
+++ b/clearml_agent/helper/package/external_req.py
@@ -2,7 +2,7 @@ import re
 from collections import OrderedDict
 from typing import Text
 
-from pathlib2 import Path
+from ..._vendor.pathlib2 import Path
 
 from .base import PackageManager
 from .requirements import SimpleSubstitution
diff --git a/clearml_agent/helper/package/pip_api/venv.py b/clearml_agent/helper/package/pip_api/venv.py
index 5fbd887..4e1915b 100644
--- a/clearml_agent/helper/package/pip_api/venv.py
+++ b/clearml_agent/helper/package/pip_api/venv.py
@@ -1,6 +1,6 @@
 from typing import Any
 
-from pathlib2 import Path
+from ...._vendor.pathlib2 import Path
 
 from clearml_agent.helper.base import select_for_platform, rm_tree, ExecutionInfo
 from clearml_agent.helper.package.base import PackageManager
diff --git a/clearml_agent/helper/package/poetry_api.py b/clearml_agent/helper/package/poetry_api.py
index ea790d9..a783fc8 100644
--- a/clearml_agent/helper/package/poetry_api.py
+++ b/clearml_agent/helper/package/poetry_api.py
@@ -1,10 +1,10 @@
 from copy import deepcopy
 from functools import wraps
 
-import attr
+from ..._vendor import attr
 import sys
 import os
-from pathlib2 import Path
+from ..._vendor.pathlib2 import Path
 
 from clearml_agent.definitions import ENV_AGENT_FORCE_POETRY
 from clearml_agent.helper.process import Argv, DEVNULL, check_if_command_exists
diff --git a/clearml_agent/helper/package/pytorch.py b/clearml_agent/helper/package/pytorch.py
index 751401a..1b5e86b 100644
--- a/clearml_agent/helper/package/pytorch.py
+++ b/clearml_agent/helper/package/pytorch.py
@@ -3,16 +3,16 @@ from __future__ import unicode_literals
 import re
 import sys
 import platform
-from furl import furl
+from ..._vendor.furl import furl
 import urllib.parse
 from operator import itemgetter
 from html.parser import HTMLParser
 from typing import Text, Optional, Dict
 
-import attr
+from ..._vendor import attr
 import requests
 
-import six
+from ..._vendor import six
 from .requirements import (
     SimpleSubstitution, FatalSpecsResolutionError, SimpleVersion, MarkerRequirement,
     compare_version_rules, )
diff --git a/clearml_agent/helper/package/requirements.py b/clearml_agent/helper/package/requirements.py
index 162c376..4486dd0 100644
--- a/clearml_agent/helper/package/requirements.py
+++ b/clearml_agent/helper/package/requirements.py
@@ -10,11 +10,11 @@ from operator import itemgetter
 from os import path
 from typing import Text, List, Type, Optional, Tuple, Dict
 
-from pathlib2 import Path
+from ..._vendor.pathlib2 import Path
 from clearml_agent.external.pyhocon import ConfigTree
 
-import six
-from six.moves.urllib.parse import unquote
+from ..._vendor import six
+from ..._vendor.six.moves.urllib.parse import unquote  # noqa
 import logging
 from clearml_agent.definitions import PIP_EXTRA_INDICES
 from clearml_agent.helper.base import (
diff --git a/clearml_agent/helper/package/translator.py b/clearml_agent/helper/package/translator.py
index 060063b..0992318 100644
--- a/clearml_agent/helper/package/translator.py
+++ b/clearml_agent/helper/package/translator.py
@@ -1,8 +1,8 @@
 from tempfile import mkdtemp
 from typing import Text
 
-from furl import furl
-from pathlib2 import Path
+from ..._vendor.furl import furl
+from ..._vendor.pathlib2 import Path
 
 from clearml_agent.config import Config
 from .pip_api.system import SystemPip
diff --git a/clearml_agent/helper/package/uv_api.py b/clearml_agent/helper/package/uv_api.py
index 0849d03..a461dfd 100644
--- a/clearml_agent/helper/package/uv_api.py
+++ b/clearml_agent/helper/package/uv_api.py
@@ -1,10 +1,10 @@
 from copy import deepcopy
 from functools import wraps
 
-import attr
+from ..._vendor import attr
 import sys
 import os
-from pathlib2 import Path
+from ..._vendor.pathlib2 import Path
 
 from clearml_agent.definitions import ENV_AGENT_FORCE_UV
 from clearml_agent.helper.base import select_for_platform
diff --git a/clearml_agent/helper/package/venv_update_api.py b/clearml_agent/helper/package/venv_update_api.py
index b81f9e7..72a48ed 100644
--- a/clearml_agent/helper/package/venv_update_api.py
+++ b/clearml_agent/helper/package/venv_update_api.py
@@ -1,9 +1,9 @@
 from typing import Optional, Text
 
 import requests
-from pathlib2 import Path
+from ..._vendor.pathlib2 import Path
 
-import six
+from ..._vendor import six
 from clearml_agent.definitions import CONFIG_DIR
 from clearml_agent.helper.process import Argv, DEVNULL
 from .pip_api.venv import VirtualenvPip
diff --git a/clearml_agent/helper/process.py b/clearml_agent/helper/process.py
index 9594450..061d03e 100644
--- a/clearml_agent/helper/process.py
+++ b/clearml_agent/helper/process.py
@@ -14,10 +14,10 @@ from time import sleep
 from typing import Union, Text, Sequence, Any, TypeVar, Callable
 
 import psutil
-from furl import furl
-from pathlib2 import Path
+from .._vendor.furl import furl
+from .._vendor.pathlib2 import Path
 
-import six
+from .._vendor import six
 from clearml_agent.definitions import PROGRAM_NAME, CONFIG_FILE
 from clearml_agent.helper.base import bash_c, is_windows_platform, select_for_platform, chain_map
 
diff --git a/clearml_agent/helper/repo.py b/clearml_agent/helper/repo.py
index 8b87302..0f74885 100644
--- a/clearml_agent/helper/repo.py
+++ b/clearml_agent/helper/repo.py
@@ -12,11 +12,11 @@ from random import random
 from threading import Lock
 from typing import Text, Sequence, Mapping, Iterable, TypeVar, Callable, Tuple, Optional
 
-import attr
-from furl import furl
-from pathlib2 import Path
+from .._vendor import attr
+from .._vendor.furl import furl
+from .._vendor.pathlib2 import Path
 
-import six
+from .._vendor import six
 
 from clearml_agent.definitions import ENV_AGENT_GIT_USER, ENV_AGENT_GIT_PASS, ENV_AGENT_GIT_HOST, ENV_GIT_CLONE_VERBOSE
 from clearml_agent.helper.console import ensure_text, ensure_binary
diff --git a/clearml_agent/helper/resource_monitor.py b/clearml_agent/helper/resource_monitor.py
index d4b6ffc..86819d5 100644
--- a/clearml_agent/helper/resource_monitor.py
+++ b/clearml_agent/helper/resource_monitor.py
@@ -9,9 +9,9 @@ from threading import Thread, Event
 from time import time
 from typing import Sequence, List, Union, Dict, Optional
 
-import attr
+from .._vendor import attr
 import psutil
-from pathlib2 import Path
+from .._vendor.pathlib2 import Path
 
 from clearml_agent.definitions import ENV_WORKER_TAGS, ENV_GPU_FRACTIONS
 from clearml_agent.session import Session
diff --git a/clearml_agent/helper/trace.py b/clearml_agent/helper/trace.py
index 05aba5c..26027fc 100644
--- a/clearml_agent/helper/trace.py
+++ b/clearml_agent/helper/trace.py
@@ -9,9 +9,9 @@ from itertools import chain
 from types import ModuleType
 from typing import Text, Sequence, Union
 
-from pathlib2 import Path
+from .._vendor.pathlib2 import Path
 
-import six
+from .._vendor import six
 
 try:
     from functools import lru_cache
diff --git a/clearml_agent/interface/base.py b/clearml_agent/interface/base.py
index bdb48b4..4e98781 100644
--- a/clearml_agent/interface/base.py
+++ b/clearml_agent/interface/base.py
@@ -5,8 +5,8 @@ import argparse
 from copy import deepcopy
 from functools import partial
 
-import six
-from pathlib2 import Path
+from .._vendor import six
+from .._vendor.pathlib2 import Path
 
 from clearml_agent import definitions
 from clearml_agent.session import Session
diff --git a/clearml_agent/session.py b/clearml_agent/session.py
index f9ceb18..ae881d1 100644
--- a/clearml_agent/session.py
+++ b/clearml_agent/session.py
@@ -9,8 +9,8 @@ import sys
 from copy import deepcopy
 from typing import Any, Callable
 
-import attr
-from pathlib2 import Path
+from ._vendor import attr
+from ._vendor.pathlib2 import Path
 
 from clearml_agent.external.pyhocon import ConfigFactory, HOCONConverter, ConfigTree
 from clearml_agent.backend_api.session import Session as _Session, Request
diff --git a/requirements.txt b/requirements.txt
index caeb89e..523459c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,17 +1,6 @@
-attrs>=18.0,<24.0.0
-enum34>=0.9,<1.2.0 ; python_version < '3.6'
-furl>=2.0.0,<2.2.0
-jsonschema>=2.6.0,<5.0.0
-pathlib2>=2.3.0,<2.4.0
 psutil>=3.4.2,<5.10.0
-pyparsing>=2.0.3,<3.2.0
-python-dateutil>=2.4.2,<2.9.0
-pyjwt>=2.4.0,<2.9.0
-PyYAML>=3.12,<6.1
-requests>=2.20.0,<=2.31.0
-setuptools ; python_version > '3.11'
-six>=1.13.0,<1.17.0
-typing>=3.6.4,<3.8.0 ; python_version < '3.5'
 urllib3>=1.21.1,<2
 virtualenv>=16,<21
+requests>=2.20.0,<2.33
+setuptools ; python_version > '3.11'
 pywin32 ; sys_platform == 'win32'
diff --git a/setup.py b/setup.py
index be50ee3..12ff239 100644
--- a/setup.py
+++ b/setup.py
@@ -75,7 +75,7 @@ setup(
     extras_require={
     },
     package_data={
-         'clearml_agent': ['backend_api/config/default/*.conf']
+         'clearml_agent': ['backend_api/config/default/*.conf', '_vendor/jsonschema/schemas/*.json']
     },
     include_package_data=True,
     # To provide executable scripts, use entry points in preference to the