diff --git a/pkgs/development/python-modules/ete3/default.nix b/pkgs/development/python-modules/ete3/default.nix
index 282a0546431f..b16679376a53 100644
--- a/pkgs/development/python-modules/ete3/default.nix
+++ b/pkgs/development/python-modules/ete3/default.nix
@@ -8,34 +8,42 @@
   lxml,
   withXmlSupport ? false,
   pyqt5,
+  setuptools,
+  legacy-cgi,
 }:
 
 buildPythonPackage rec {
   pname = "ete3";
   version = "3.1.3";
-  format = "setuptools";
+  pyproject = true;
 
   src = fetchPypi {
     inherit pname version;
     hash = "sha256-BqO3+o7ZAYewdqjbvlsbYqzulCAdPG6CL1X0SWAe9vI=";
   };
 
+  build-system = [
+    setuptools
+  ];
+
   doCheck = false; # Tests are (i) not 3.x compatible, (ii) broken under 2.7
+
   pythonImportsCheck = [ "ete3" ];
 
-  propagatedBuildInputs =
+  dependencies =
     [
       six
       numpy
+      legacy-cgi
     ]
     ++ lib.optional withTreeVisualization pyqt5
     ++ lib.optional withXmlSupport lxml;
 
-  meta = with lib; {
+  meta = {
     description = "Python framework for the analysis and visualization of trees";
     mainProgram = "ete3";
     homepage = "http://etetoolkit.org/";
-    license = licenses.gpl3Only;
-    maintainers = with maintainers; [ delehef ];
+    license = lib.licenses.gpl3Only;
+    maintainers = with lib.maintainers; [ delehef ];
   };
 }