diff --git a/pkgs/development/python-modules/transaction/default.nix b/pkgs/development/python-modules/transaction/default.nix
index bf5231be314d..e7f54db84e56 100644
--- a/pkgs/development/python-modules/transaction/default.nix
+++ b/pkgs/development/python-modules/transaction/default.nix
@@ -3,18 +3,25 @@
 , buildPythonPackage
 , zope_interface
 , mock
+, pythonOlder
 }:
 
 buildPythonPackage rec {
   pname = "transaction";
   version = "3.1.0";
+  format = "setuptools";
+
+  disabled = pythonOlder "3.7";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "sha256-ZdCx6pLb58Tjsjf7a9i0Heoj10Wee92MOIC//a+RL6Q=";
+    hash = "sha256-ZdCx6pLb58Tjsjf7a9i0Heoj10Wee92MOIC//a+RL6Q=";
   };
 
-  propagatedBuildInputs = [ zope_interface mock ];
+  propagatedBuildInputs = [
+    zope_interface
+    mock
+  ];
 
   meta = with lib; {
     description = "Transaction management";