diff --git a/pkgs/development/python-modules/pysnmp-pysmi/default.nix b/pkgs/development/python-modules/pysnmp-pysmi/default.nix
index 5f73fcd40c36..788a267d347b 100644
--- a/pkgs/development/python-modules/pysnmp-pysmi/default.nix
+++ b/pkgs/development/python-modules/pysnmp-pysmi/default.nix
@@ -10,7 +10,7 @@
 buildPythonPackage rec {
   pname = "pysnmp-pysmi";
   version = "1.1.11";
-  format = "pyproject";
+  pyproject = true;
 
   disabled = pythonOlder "3.7";
 
@@ -40,6 +40,7 @@ buildPythonPackage rec {
   meta = with lib; {
     description = "SNMP MIB parser";
     homepage = "https://github.com/pysnmp/pysmi";
+    changelog = "https://github.com/pysnmp/pysmi/releases/tag/v${version}";
     license = licenses.bsd2;
     maintainers = with maintainers; [ fab ];
   };