diff --git a/pkgs/development/python-modules/radios/default.nix b/pkgs/development/python-modules/radios/default.nix
index ed4ec2d5cb0e..0ef264185cd6 100644
--- a/pkgs/development/python-modules/radios/default.nix
+++ b/pkgs/development/python-modules/radios/default.nix
@@ -35,6 +35,8 @@ buildPythonPackage rec {
       --replace-fail 'version = "0.0.0"' 'version = "${version}"'
   '';
 
+  pythonRelaxDeps = [ "pycountry" ];
+
   build-system = [
     poetry-core
   ];