diff --git a/pkgs/tools/security/apachetomcatscanner/default.nix b/pkgs/tools/security/apachetomcatscanner/default.nix
index 26bc765e5ea8..ea0cdd2db5ab 100644
--- a/pkgs/tools/security/apachetomcatscanner/default.nix
+++ b/pkgs/tools/security/apachetomcatscanner/default.nix
@@ -6,7 +6,7 @@
 python3.pkgs.buildPythonApplication rec {
   pname = "apachetomcatscanner";
   version = "3.7.2";
-  format = "setuptools";
+  pyproject = true;
 
   src = fetchFromGitHub {
     owner = "p0dalirius";
@@ -21,6 +21,8 @@ python3.pkgs.buildPythonApplication rec {
     sed -i '/apachetomcatscanner=apachetomcatscanner\.__main__:main/d' setup.py
   '';
 
+  build-system = with python3.pkgs; [ setuptools ];
+
   propagatedBuildInputs = with python3.pkgs; [
     requests
     sectools
@@ -39,7 +41,7 @@ python3.pkgs.buildPythonApplication rec {
     mainProgram = "ApacheTomcatScanner";
     homepage = "https://github.com/p0dalirius/ApacheTomcatScanner";
     changelog = "https://github.com/p0dalirius/ApacheTomcatScanner/releases/tag/${version}";
-    license = with licenses; [ gpl2Only ];
+    license = licenses.gpl2Only;
     maintainers = with maintainers; [ fab ];
   };
 }