--- setup.py.orig	2020-05-29 10:29:22 UTC
+++ setup.py
@@ -58,10 +58,10 @@ setup(
         "certifi",
         "hstspreload",
         "sniffio",
-        "chardet==3.*",
+        "chardet>=3.0",
         "idna==2.*",
-        "rfc3986>=1.3,<2",
-        "httpcore==0.9.*",
+        "rfc3986>=1.3",
+        "httpcore>=0.9",
     ],
     classifiers=[
         "Development Status :: 4 - Beta",