diff --git a/pkgs/development/python-modules/caldav/default.nix b/pkgs/development/python-modules/caldav/default.nix
index 15daa3b0697c..d577264a4880 100644
--- a/pkgs/development/python-modules/caldav/default.nix
+++ b/pkgs/development/python-modules/caldav/default.nix
@@ -8,24 +8,29 @@
 , pytz
 , recurring-ical-events
 , requests
+, setuptools
 , tzlocal
 , vobject
 }:
 
 buildPythonPackage rec {
   pname = "caldav";
-  version = "1.3.6";
+  version = "1.3.8";
 
-  format = "setuptools";
+  pyproject = true;
   disabled = pythonOlder "3.7";
 
   src = fetchFromGitHub {
     owner = "python-caldav";
     repo = pname;
     rev = "refs/tags/v${version}";
-    hash = "sha256-N3pY3UYxOZgZbXqqsvASej12dOtdpyEHOL10btOKm/w=";
+    hash = "sha256-CZ/cqBvxQiNYJUX4BFtTjG9umf5pGPOaRcN4N1o06QM=";
   };
 
+  nativeBuildInputs = [
+    setuptools
+  ];
+
   propagatedBuildInputs = [
     vobject
     lxml
@@ -52,7 +57,7 @@ buildPythonPackage rec {
   meta = with lib; {
     description = "CalDAV (RFC4791) client library";
     homepage = "https://github.com/python-caldav/caldav";
-    changelog = "https://github.com/python-caldav/caldav/releases/tag/v${version}";
+    changelog = "https://github.com/python-caldav/caldav/blob/v${version}/CHANGELOG.md";
     license = licenses.asl20;
     maintainers = with maintainers; [ marenz dotlambda ];
   };