diff --git a/pkgs/development/python-modules/tag-expressions/default.nix b/pkgs/development/python-modules/tag-expressions/default.nix
index d6f67d1f62e2..9c56ab999629 100644
--- a/pkgs/development/python-modules/tag-expressions/default.nix
+++ b/pkgs/development/python-modules/tag-expressions/default.nix
@@ -2,18 +2,24 @@
 , buildPythonPackage
 , fetchPypi
 , pytestCheckHook
+, pythonOlder
 }:
 
 buildPythonPackage rec {
   pname = "tag-expressions";
   version = "2.0.0";
+  format = "setuptools";
+
+  disabled = pythonOlder "3.7";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "sha256-/6Ym72jlgVdpel4V2W2aCKNtISDT9y5qz7+gTllUuPg=";
+    hash = "sha256-/6Ym72jlgVdpel4V2W2aCKNtISDT9y5qz7+gTllUuPg=";
   };
 
-  nativeCheckInputs = [ pytestCheckHook ];
+  nativeCheckInputs = [
+    pytestCheckHook
+  ];
 
   meta = with lib; {
     description = "Package to parse logical tag expressions";