diff --git a/pipenv/project.py b/pipenv/project.py
index e5bf9554..7ef349f6 100644
--- a/pipenv/project.py
+++ b/pipenv/project.py
@@ -240,7 +240,9 @@ class Project:
             session = self.sessions[source["name"]]
         else:
             session = get_requests_session(
-                self.s.PIPENV_MAX_RETRIES, source.get("verify_ssl", True)
+                self.s.PIPENV_MAX_RETRIES,
+                source.get("verify_ssl", True),
+                cache_dir=self.s.PIPENV_CACHE_DIR,
             )
             self.sessions[source["name"]] = session
         return session
diff --git a/pipenv/utils/fileutils.py b/pipenv/utils/fileutils.py
index 728e174a..afb92ffd 100644
--- a/pipenv/utils/fileutils.py
+++ b/pipenv/utils/fileutils.py
@@ -12,7 +12,8 @@ from urllib import parse as urllib_parse
 from urllib import request as urllib_request
 from urllib.parse import quote, urlparse
 
-from pipenv.patched.pip._vendor.requests import Session
+from pipenv.patched.pip._internal.locations import USER_CACHE_DIR
+from pipenv.patched.pip._internal.network.download import PipSession
 from pipenv.utils import err
 
 
@@ -114,12 +115,12 @@ def path_to_url(path):
 
 
 @contextmanager
-def open_file(link, session: Optional[Session] = None, stream: bool = True):
+def open_file(link, session: Optional[PipSession] = None, stream: bool = False):
     """Open local or remote file for reading.
 
     :param pipenv.patched.pip._internal.index.Link link: A link object from resolving dependencies with
         pip, or else a URL.
-    :param Optional[Session] session: A :class:`~requests.Session` instance
+    :param Optional[PipSession] session: A :class:`~PipSession` instance
     :param bool stream: Whether to stream the content if remote, default True
     :raises ValueError: If link points to a local directory.
     :return: a context manager to the opened file-like object
@@ -145,7 +146,7 @@ def open_file(link, session: Optional[Session] = None, stream: bool = True):
         # Remote URL
         headers = {"Accept-Encoding": "identity"}
         if not session:
-            session = Session()
+            session = PipSession(cache=USER_CACHE_DIR)
         resp = session.get(link, headers=headers, stream=stream)
         if resp.status_code != 200:
             err.print(f"HTTP error {resp.status_code} while getting {link}")
diff --git a/pipenv/utils/internet.py b/pipenv/utils/internet.py
index f4d57b38..ec0c6d39 100644
--- a/pipenv/utils/internet.py
+++ b/pipenv/utils/internet.py
@@ -3,19 +3,17 @@ import re
 from html.parser import HTMLParser
 from urllib.parse import urlparse
 
-from pipenv.patched.pip._vendor import requests
-from pipenv.patched.pip._vendor.requests.adapters import HTTPAdapter
+from pipenv.patched.pip._internal.locations import USER_CACHE_DIR
+from pipenv.patched.pip._internal.network.download import PipSession
 from pipenv.patched.pip._vendor.urllib3 import util as urllib3_util
 
 
-def get_requests_session(max_retries=1, verify_ssl=True):
+def get_requests_session(max_retries=1, verify_ssl=True, cache_dir=USER_CACHE_DIR):
     """Load requests lazily."""
     pip_client_cert = os.environ.get("PIP_CLIENT_CERT")
-    requests_session = requests.Session()
+    requests_session = PipSession(cache=cache_dir, retries=max_retries)
     if pip_client_cert:
         requests_session.cert = pip_client_cert
-    adapter = HTTPAdapter(max_retries=max_retries)
-    requests_session.mount("https://", adapter)
     if verify_ssl is False:
         requests_session.verify = False
     return requests_session