diff --git a/pkgs/development/python-modules/radicale-infcloud/default.nix b/pkgs/development/python-modules/radicale-infcloud/default.nix
index 7780900718563..073d5125859e1 100644
--- a/pkgs/development/python-modules/radicale-infcloud/default.nix
+++ b/pkgs/development/python-modules/radicale-infcloud/default.nix
@@ -3,12 +3,13 @@
   fetchFromGitHub,
   buildPythonPackage,
   radicale,
+  setuptools,
 }:
 
 buildPythonPackage {
   pname = "radicale-infcloud";
   version = "unstable-2022-04-18";
-  format = "setuptools";
+  pyproject = true;
 
   src = fetchFromGitHub {
     owner = "Unrud";
@@ -17,7 +18,9 @@ buildPythonPackage {
     hash = "sha256-xzBWIx2OOkCtBjlff1Z0VqgMhxWtgiOKutXUadT3tIo=";
   };
 
-  propagatedBuildInputs = [ radicale ];
+  build-system = [ setuptools ];
+
+  dependencies = [ radicale ];
 
   # has no tests
   doCheck = false;
@@ -29,7 +32,7 @@ buildPythonPackage {
     description = "Integrate InfCloud into Radicale's web interface";
     license = with licenses; [
       agpl3Plus
-      gpl3
+      gpl3Plus
     ];
     maintainers = with maintainers; [ erictapen ];
   };