https://github.com/psf/requests/pull/6169
https://bugs.gentoo.org/853247

--- a/requests.egg-info/requires.txt
+++ b/requests.egg-info/requires.txt
@@ -6,7 +6,7 @@ chardet<5,>=3.0.2
 idna<3,>=2.5
 
 [:python_version >= "3"]
-charset_normalizer~=2.0.0
+charset_normalizer~=2.0
 idna<4,>=2.5
 
 [security]
--- a/setup.py
+++ b/setup.py
@@ -41,7 +41,7 @@ if sys.argv[-1] == 'publish':
 packages = ['requests']
 
 requires = [
-    'charset_normalizer~=2.0.0; python_version >= "3"',
+    'charset_normalizer~=2.0; python_version >= "3"',
     'chardet>=3.0.2,<5; python_version < "3"',
     'idna>=2.5,<3; python_version < "3"',
     'idna>=2.5,<4; python_version >= "3"',