diff --git a/pkgs/development/python-modules/toposort/default.nix b/pkgs/development/python-modules/toposort/default.nix
index 540835c7e310..e72ed9294e84 100644
--- a/pkgs/development/python-modules/toposort/default.nix
+++ b/pkgs/development/python-modules/toposort/default.nix
@@ -5,19 +5,23 @@
 
 buildPythonPackage rec {
   pname = "toposort";
-  version = "1.6";
+  version = "1.7";
+  format = "pyproject";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "a7428f56ef844f5055bb9e9e44b343983773ae6dce0fe5b101e08e27ffbd50ac";
+    sha256 = "sha256-3cIYLEKRKkQFEb1/9dPmocq8Osy8Z0oyWMjEHL+7ISU=";
   };
 
+  pythonImportsCheck = [
+    "toposort"
+  ];
+
   meta = with lib; {
     description = "A topological sort algorithm";
-    homepage = "https://pypi.python.org/pypi/toposort/1.1";
+    homepage = "https://pypi.python.org/pypi/toposort/";
     maintainers = with maintainers; [ tstrobel ];
     platforms = platforms.unix;
     license = licenses.asl20;
   };
-
 }