diff --git a/lib/zipp.py b/lib/zipp.py
index 26b723c1..52c82a0e 100644
--- a/lib/zipp.py
+++ b/lib/zipp.py
@@ -3,14 +3,8 @@ import posixpath
 import zipfile
 import itertools
 import contextlib
-import sys
 import pathlib
 
-if sys.version_info < (3, 7):
-    from collections import OrderedDict
-else:
-    OrderedDict = dict
-
 
 __all__ = ['Path']
 
@@ -56,7 +50,7 @@ def _ancestry(path):
         path, tail = posixpath.split(path)
 
 
-_dedupe = OrderedDict.fromkeys
+_dedupe = dict.fromkeys
 """Deduplicate an iterable in original order"""
 
 
@@ -107,7 +101,7 @@ class CompleteDirs(zipfile.ZipFile):
             return source
 
         if not isinstance(source, zipfile.ZipFile):
-            return cls(_pathlib_compat(source))
+            return cls(source)
 
         # Only allow for FastLookup when supplied zipfile is read-only
         if 'r' not in source.mode:
@@ -136,17 +130,6 @@ class FastLookup(CompleteDirs):
         return self.__lookup
 
 
-def _pathlib_compat(path):
-    """
-    For path-like objects, convert to a filename for compatibility
-    on Python 3.6.1 and earlier.
-    """
-    try:
-        return path.__fspath__()
-    except AttributeError:
-        return str(path)
-
-
 class Path:
     """
     A pathlib-compatible interface for zip files.
@@ -314,7 +297,7 @@ class Path:
         return self.__repr.format(self=self)
 
     def joinpath(self, *other):
-        next = posixpath.join(self.at, *map(_pathlib_compat, other))
+        next = posixpath.join(self.at, *other)
         return self._next(self.root.resolve_dir(next))
 
     __truediv__ = joinpath
diff --git a/requirements.txt b/requirements.txt
index c4fe538f..0810ddc5 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -48,7 +48,7 @@ urllib3==1.26.8
 webencodings==0.5.1
 websocket-client==1.2.3
 xmltodict==0.12.0
-zipp==3.7.0
+zipp==3.8.0
 
 # configobj==5.1.0
 # sgmllib3k==1.0.0