diff -up ./setup.cfg.orig ./setup.cfg
--- ./setup.cfg.orig	2021-11-21 17:20:05.569044393 +0100
+++ ./setup.cfg	2021-11-22 12:26:49.214570049 +0100
@@ -40,12 +40,12 @@ package_dir =
 packages = find:
 install_requires =
   isodate
-  lxml >=4.6.4,<5.0
+  lxml <5.0
   pycountry
   pycryptodomex >=3.4.3,<4
   PySocks !=1.5.7,>=1.5.6
-  requests >=2.26.0,<3.0
-  websocket-client >=1.2.1,<2.0
+  requests <3.0
+  websocket-client <2.0
 
 [options.packages.find]
 where = src