diff --git a/pkgs/development/python-modules/xmldiff/default.nix b/pkgs/development/python-modules/xmldiff/default.nix
index 5d9120872242..27f66eb1e5dc 100644
--- a/pkgs/development/python-modules/xmldiff/default.nix
+++ b/pkgs/development/python-modules/xmldiff/default.nix
@@ -1,24 +1,35 @@
 { lib
 , buildPythonPackage
+, pythonOlder
 , fetchPypi
 , lxml
 , setuptools
-, six
 , pytestCheckHook
 }:
 
 buildPythonPackage rec {
   pname = "xmldiff";
-  version = "2.4";
+  version = "2.5";
+
+  disabled = pythonOlder "3.7";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "sha256-Bb6iDOHyyWeGg7zODDupmB+H2StwnRkOAYvL8Efsz2M=";
+    sha256 = "sha256-bF8wvGXOboHZpwo8sCafe6YYUv1sqnoPv8Dt8zs8txc=";
   };
 
-  propagatedBuildInputs = [ lxml setuptools six ];
+  propagatedBuildInputs = [
+    lxml
+    setuptools
+  ];
 
-  checkInputs = [ pytestCheckHook ];
+  checkInputs = [
+    pytestCheckHook
+  ];
+
+  pythonImportsCheck = [
+    "xmldiff"
+  ];
 
   meta = with lib; {
     description = "Creates diffs of XML files";