diff -Nur a/aiohttp.egg-info/requires.txt b/aiohttp.egg-info/requires.txt --- a/aiohttp.egg-info/requires.txt 2021-03-07 04:59:20.000000000 +0800 +++ b/aiohttp.egg-info/requires.txt 2022-11-07 15:55:07.214419948 +0800 @@ -1,5 +1,5 @@ attrs>=17.3.0 -chardet<5.0,>=2.0 +chardet<=5.0,>=2.0 multidict<7.0,>=4.5 async_timeout<4.0,>=3.0 yarl<2.0,>=1.0 diff -Nur a/setup.py b/setup.py --- a/setup.py 2021-03-07 04:59:13.000000000 +0800 +++ b/setup.py 2022-11-07 15:55:46.671059857 +0800 @@ -66,7 +66,7 @@ install_requires = [ "attrs>=17.3.0", - "chardet>=2.0,<5.0", + "chardet>=2.0,<=5.0", "multidict>=4.5,<7.0", "async_timeout>=3.0,<4.0", "yarl>=1.0,<2.0",