diff --git a/pkgs/development/python-modules/requests/default.nix b/pkgs/development/python-modules/requests/default.nix
index 5589ec683af4..72feafc771e8 100644
--- a/pkgs/development/python-modules/requests/default.nix
+++ b/pkgs/development/python-modules/requests/default.nix
@@ -20,6 +20,11 @@ buildPythonPackage rec {
     sha256 = "sha256-J5c91KkEpPE7JjoZyGbBO5KjntHJZGVfAl8/jT11uAQ=";
   };
 
+  postPatch = ''
+    # Use latest idna
+    substituteInPlace setup.py --replace ",<3" ""
+  '';
+
   propagatedBuildInputs = [
     certifi
     chardet