diff --git a/pkgs/development/python-modules/canonicaljson/default.nix b/pkgs/development/python-modules/canonicaljson/default.nix
index 1b2d63ec45a6..0787d4d09718 100644
--- a/pkgs/development/python-modules/canonicaljson/default.nix
+++ b/pkgs/development/python-modules/canonicaljson/default.nix
@@ -49,6 +49,7 @@ buildPythonPackage rec {
   meta = with lib; {
     description = "Encodes objects and arrays as RFC 7159 JSON";
     homepage = "https://github.com/matrix-org/python-canonicaljson";
+    changelog = "https://github.com/matrix-org/python-canonicaljson/blob/v${version}/CHANGES.md";
     license = licenses.asl20;
     maintainers = with maintainers; [ fab ];
   };