diff --git a/news/4837.vendor.rst b/news/4837.vendor.rst
new file mode 100644
index 0000000000..6404c1d5a4
--- /dev/null
+++ b/news/4837.vendor.rst
@@ -0,0 +1 @@
+Update ``pythonfinder`` from ``1.2.8`` to ``1.2.9``.
diff --git a/pipenv/vendor/pythonfinder/LICENSE.txt b/pipenv/vendor/pythonfinder/LICENSE.txt
new file mode 100644
index 0000000000..4715db36be
--- /dev/null
+++ b/pipenv/vendor/pythonfinder/LICENSE.txt
@@ -0,0 +1,20 @@
+Copyright (c) 2018 Dan Ryan
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/pipenv/vendor/pythonfinder/__init__.py b/pipenv/vendor/pythonfinder/__init__.py
index 326a655ff1..7ff28b14bd 100644
--- a/pipenv/vendor/pythonfinder/__init__.py
+++ b/pipenv/vendor/pythonfinder/__init__.py
@@ -10,7 +10,7 @@
 from .models import SystemPath, WindowsFinder
 from .pythonfinder import Finder
 
-__version__ = "1.2.8"
+__version__ = "1.2.9"
 
 
 logger = logging.getLogger(__name__)
diff --git a/pipenv/vendor/pythonfinder/models/python.py b/pipenv/vendor/pythonfinder/models/python.py
index d001a1e59f..3c2a13deed 100644
--- a/pipenv/vendor/pythonfinder/models/python.py
+++ b/pipenv/vendor/pythonfinder/models/python.py
@@ -3,6 +3,7 @@
 
 import logging
 import operator
+import os
 import platform
 import sys
 from collections import defaultdict
@@ -133,6 +134,8 @@ def get_bin_dir(self, base):
         # type: (Union[Path, str]) -> Path
         if isinstance(base, six.string_types):
             base = Path(base)
+        if os.name == "nt":
+            return base
         return base / "bin"
 
     @classmethod
@@ -451,9 +454,9 @@ def matches(
             if arch.isdigit():
                 arch = "{0}bit".format(arch)
         if (
-            (major is None or self.major and self.major == major)
-            and (minor is None or self.minor and self.minor == minor)
-            and (patch is None or self.patch and self.patch == patch)
+            (major is None or self.major == major)
+            and (minor is None or self.minor == minor)
+            and (patch is None or self.patch == patch)
             and (pre is None or self.is_prerelease == pre)
             and (dev is None or self.is_devrelease == dev)
             and (arch is None or own_arch == arch)
diff --git a/pipenv/vendor/pythonfinder/models/windows.py b/pipenv/vendor/pythonfinder/models/windows.py
index fb36a27239..794a881c2b 100644
--- a/pipenv/vendor/pythonfinder/models/windows.py
+++ b/pipenv/vendor/pythonfinder/models/windows.py
@@ -92,6 +92,8 @@ def get_versions(self):
                 path = ensure_path(install_path.__getattr__(""))
             except AttributeError:
                 continue
+            if not path.exists():
+                continue
             try:
                 py_version = PythonVersion.from_windows_launcher(
                     version_object, name=name, company=company
diff --git a/pipenv/vendor/pythonfinder/utils.py b/pipenv/vendor/pythonfinder/utils.py
index c3db72615a..0ccb34270e 100644
--- a/pipenv/vendor/pythonfinder/utils.py
+++ b/pipenv/vendor/pythonfinder/utils.py
@@ -62,7 +62,7 @@
 KNOWN_EXTS = KNOWN_EXTS | set(
     filter(None, os.environ.get("PATHEXT", "").split(os.pathsep))
 )
-PY_MATCH_STR = r"((?P<implementation>{0})(?:\d?(?:\.\d[cpm]{{0,3}}))?(?:-?[\d\.]+)*)".format(
+PY_MATCH_STR = r"((?P<implementation>{0})(?:\d?(?:\.\d[cpm]{{0,3}}))?(?:-?[\d\.]+)*(?!w))".format(
     "|".join(PYTHON_IMPLEMENTATIONS)
 )
 EXE_MATCH_STR = r"{0}(?:\.(?P<ext>{1}))?".format(PY_MATCH_STR, "|".join(KNOWN_EXTS))
diff --git a/pipenv/vendor/vendor.txt b/pipenv/vendor/vendor.txt
index ad73c48d6f..664c531f26 100644
--- a/pipenv/vendor/vendor.txt
+++ b/pipenv/vendor/vendor.txt
@@ -35,7 +35,7 @@ ptyprocess==0.7.0
 pyparsing==2.4.7
 python-dateutil==2.8.2
 python-dotenv==0.19.0
-pythonfinder==1.2.8
+pythonfinder==1.2.9
 requests==2.26.0
 requirementslib==1.6.1
 shellingham==1.4.0