diff --git a/pipenv/vendor/passa/models/projects.py b/pipenv/vendor/passa/models/projects.py
index f6e037d6..c7807c05 100644
--- a/pipenv/vendor/passa/models/projects.py
+++ b/pipenv/vendor/passa/models/projects.py
@@ -6,7 +6,7 @@ import collections
 import io
 import os
 
-import attr
+from pipenv.vendor import attr
 import packaging.markers
 import packaging.utils
 import plette
diff --git a/pipenv/vendor/pythonfinder/models/mixins.py b/pipenv/vendor/pythonfinder/models/mixins.py
index 76327115..aeba0443 100644
--- a/pipenv/vendor/pythonfinder/models/mixins.py
+++ b/pipenv/vendor/pythonfinder/models/mixins.py
@@ -5,7 +5,7 @@ import abc
 import operator
 from collections import defaultdict
 
-import attr
+from pipenv.vendor import attr
 import six
 
 from ..compat import fs_str
diff --git a/pipenv/vendor/pythonfinder/models/path.py b/pipenv/vendor/pythonfinder/models/path.py
index b855a05d..a8070c91 100644
--- a/pipenv/vendor/pythonfinder/models/path.py
+++ b/pipenv/vendor/pythonfinder/models/path.py
@@ -7,7 +7,7 @@ import sys
 from collections import defaultdict
 from itertools import chain
 
-import attr
+from pipenv.vendor import attr
 import six
 from cached_property import cached_property
 from ..compat import Path, fs_str
diff --git a/pipenv/vendor/pythonfinder/models/python.py b/pipenv/vendor/pythonfinder/models/python.py
index 619e7761..ff249be2 100644
--- a/pipenv/vendor/pythonfinder/models/python.py
+++ b/pipenv/vendor/pythonfinder/models/python.py
@@ -7,7 +7,7 @@ import platform
 import sys
 from collections import defaultdict
 
-import attr
+from pipenv.vendor import attr
 import six
 from packaging.version import Version
 
diff --git a/pipenv/vendor/pythonfinder/models/windows.py b/pipenv/vendor/pythonfinder/models/windows.py
index a0e69b03..39353cdb 100644
--- a/pipenv/vendor/pythonfinder/models/windows.py
+++ b/pipenv/vendor/pythonfinder/models/windows.py
@@ -4,7 +4,7 @@ from __future__ import absolute_import, print_function
 import operator
 from collections import defaultdict
 
-import attr
+from pipenv.vendor import attr
 
 from ..environment import MYPY_RUNNING
 from ..exceptions import InvalidPythonVersion
diff --git a/pipenv/vendor/pythonfinder/utils.py b/pipenv/vendor/pythonfinder/utils.py
index 8150545c..ef48e628 100644
--- a/pipenv/vendor/pythonfinder/utils.py
+++ b/pipenv/vendor/pythonfinder/utils.py
@@ -10,7 +10,7 @@ from collections import OrderedDict
 from fnmatch import fnmatch
 from threading import Timer
 
-import attr
+from pipenv.vendor import attr
 import six
 from packaging.version import LegacyVersion, Version
 
diff --git a/pipenv/vendor/requirementslib/models/dependencies.py b/pipenv/vendor/requirementslib/models/dependencies.py
index 2608479a..1a610ce7 100644
--- a/pipenv/vendor/requirementslib/models/dependencies.py
+++ b/pipenv/vendor/requirementslib/models/dependencies.py
@@ -6,7 +6,7 @@ import copy
 import functools
 import os
 
-import attr
+from pipenv.vendor import attr
 import packaging.markers
 import packaging.version
 import pip_shims.shims
diff --git a/pipenv/vendor/requirementslib/models/lockfile.py b/pipenv/vendor/requirementslib/models/lockfile.py
index 5350de74..2de115c2 100644
--- a/pipenv/vendor/requirementslib/models/lockfile.py
+++ b/pipenv/vendor/requirementslib/models/lockfile.py
@@ -5,7 +5,7 @@ import copy
 import itertools
 import os
 
-import attr
+from pipenv.vendor import attr
 import plette.lockfiles
 import six
 from vistir.compat import FileNotFoundError, JSONDecodeError, Path
diff --git a/pipenv/vendor/requirementslib/models/markers.py b/pipenv/vendor/requirementslib/models/markers.py
index 94410a20..b07e444c 100644
--- a/pipenv/vendor/requirementslib/models/markers.py
+++ b/pipenv/vendor/requirementslib/models/markers.py
@@ -3,7 +3,7 @@ import itertools
 import operator
 import re
 
-import attr
+from pipenv.vendor import attr
 import distlib.markers
 import packaging.version
 import six
diff --git a/pipenv/vendor/requirementslib/models/metadata.py b/pipenv/vendor/requirementslib/models/metadata.py
index b45b1f02..671a311b 100644
--- a/pipenv/vendor/requirementslib/models/metadata.py
+++ b/pipenv/vendor/requirementslib/models/metadata.py
@@ -9,7 +9,7 @@ import os
 import zipfile
 from collections import defaultdict
 
-import attr
+from pipenv.vendor import attr
 import dateutil.parser
 import distlib.metadata
 import distlib.wheel
diff --git a/pipenv/vendor/requirementslib/models/pipfile.py b/pipenv/vendor/requirementslib/models/pipfile.py
index 9c0aea4e..9bda73d4 100644
--- a/pipenv/vendor/requirementslib/models/pipfile.py
+++ b/pipenv/vendor/requirementslib/models/pipfile.py
@@ -7,7 +7,7 @@ import itertools
 import os
 import sys
 
-import attr
+from pipenv.vendor import attr
 import plette.models.base
 import plette.pipfiles
 import tomlkit
diff --git a/pipenv/vendor/requirementslib/models/project.py b/pipenv/vendor/requirementslib/models/project.py
index 7c1b0e81..4c73823c 100644
--- a/pipenv/vendor/requirementslib/models/project.py
+++ b/pipenv/vendor/requirementslib/models/project.py
@@ -6,7 +6,7 @@ import collections
 import io
 import os
 
-import attr
+from pipenv.vendor import attr
 import packaging.markers
 import packaging.utils
 import plette
diff --git a/pipenv/vendor/requirementslib/models/requirements.py b/pipenv/vendor/requirementslib/models/requirements.py
index a0045f45..3ce8d8f5 100644
--- a/pipenv/vendor/requirementslib/models/requirements.py
+++ b/pipenv/vendor/requirementslib/models/requirements.py
@@ -10,7 +10,7 @@ from contextlib import contextmanager
 from distutils.sysconfig import get_python_lib
 from functools import partial
 
-import attr
+from pipenv.vendor import attr
 import pip_shims
 import six
 import vistir
diff --git a/pipenv/vendor/requirementslib/models/resolvers.py b/pipenv/vendor/requirementslib/models/resolvers.py
index 43590523..4554b299 100644
--- a/pipenv/vendor/requirementslib/models/resolvers.py
+++ b/pipenv/vendor/requirementslib/models/resolvers.py
@@ -1,7 +1,7 @@
 # -*- coding=utf-8 -*-
 from contextlib import contextmanager
 
-import attr
+from pipenv.vendor import attr
 import six
 from pip_shims.shims import Wheel
 
diff --git a/pipenv/vendor/requirementslib/models/setup_info.py b/pipenv/vendor/requirementslib/models/setup_info.py
index f0d40f29..9c97a394 100644
--- a/pipenv/vendor/requirementslib/models/setup_info.py
+++ b/pipenv/vendor/requirementslib/models/setup_info.py
@@ -12,7 +12,7 @@ import shutil
 import sys
 from functools import partial
 
-import attr
+from pipenv.vendor import attr
 import chardet
 import packaging.specifiers
 import packaging.utils
diff --git a/pipenv/vendor/requirementslib/models/url.py b/pipenv/vendor/requirementslib/models/url.py
index 3d5743e6..b0c98de8 100644
--- a/pipenv/vendor/requirementslib/models/url.py
+++ b/pipenv/vendor/requirementslib/models/url.py
@@ -1,7 +1,7 @@
 # -*- coding=utf-8 -*-
 from __future__ import absolute_import, print_function
 
-import attr
+from pipenv.vendor import attr
 import pip_shims.shims
 from orderedmultidict import omdict
 from six.moves.urllib.parse import quote_plus, unquote_plus
diff --git a/pipenv/vendor/requirementslib/models/vcs.py b/pipenv/vendor/requirementslib/models/vcs.py
index 0f96a331..273305db 100644
--- a/pipenv/vendor/requirementslib/models/vcs.py
+++ b/pipenv/vendor/requirementslib/models/vcs.py
@@ -5,7 +5,7 @@ import importlib
 import os
 import sys
 
-import attr
+from pipenv.vendor import attr
 import pip_shims
 import six