diff --git a/setuptools/package_index.py b/setuptools/package_index.py

index 9c9d76a..b641d21 100644

--- a/setuptools/package_index.py

+++ b/setuptools/package_index.py

@@ -232,7 +232,10 @@ class HashChecker(ContentChecker):

     def __init__(self, hash_name, expected):

         self.hash_name = hash_name

-        self.hash = hashlib.new(hash_name)

+        if hash_name == 'md5':

+            self.hash = hashlib.new(hash_name, usedforsecurity=False)

+        else:

+            self.hash = hashlib.new(hash_name)

         self.expected = expected

     @classmethod