diff --git a/pkgs/development/python-modules/iso4217/default.nix b/pkgs/development/python-modules/iso4217/default.nix
index b1438f29a017..12cf40a6764e 100644
--- a/pkgs/development/python-modules/iso4217/default.nix
+++ b/pkgs/development/python-modules/iso4217/default.nix
@@ -16,14 +16,16 @@ let
 in
 buildPythonPackage rec {
   pname = "iso4217";
-  version = "1.7";
+  version = "1.8";
   format = "setuptools";
 
+  disabled = pythonOlder "3.7";
+
   src = fetchFromGitHub {
     owner = "dahlia";
     repo = pname;
     rev = version;
-    hash = "sha256-Ih2l6bGM7i5TUkzJPkgx8EOOL4a3/qE28SUZS6M4sQc=";
+    hash = "sha256-L0vx6Aan6D1lusgBh/pcT373ZTxbtWpQnFKB2V0dxlA=";
   };
 
   propagatedBuildInputs = lib.optionals (pythonOlder "3.9") [