diff --git a/pkgs/tools/security/ioc-scan/default.nix b/pkgs/tools/security/ioc-scan/default.nix
index e080426162a6..805aee0230bb 100644
--- a/pkgs/tools/security/ioc-scan/default.nix
+++ b/pkgs/tools/security/ioc-scan/default.nix
@@ -5,33 +5,31 @@
 
 python3.pkgs.buildPythonApplication rec {
   pname = "ioc-scan";
-  version = "1.5.4";
-  format = "setuptools";
+  version = "2.0.0";
+  pyproject = true;
 
   src = fetchFromGitHub {
     owner = "cisagov";
     repo = "ioc-scanner";
     rev = "refs/tags/v${version}";
-    hash = "sha256-LQljpIlTDy1uxuwj1WyygwrB5hQ7dib1ViB+SEhRJ6Y=";
+    hash = "sha256-SCyCANZfi7PqexM2Kc8WJwwEEiBQxPBg0ggWsK9WB4k=";
   };
 
   postPatch = ''
     substituteInPlace pytest.ini \
-      --replace " --cov" ""
+      --replace-fail " --cov" ""
   '';
 
-  propagatedBuildInputs = with python3.pkgs; [
-    docopt
-  ];
+  build-system = with python3.pkgs; [ setuptools ];
+
+  propagatedBuildInputs = with python3.pkgs; [ docopt];
 
   nativeCheckInputs = with python3.pkgs; [
     pyfakefs
     pytestCheckHook
   ];
 
-  pythonImportsCheck = [
-    "ioc_scan"
-  ];
+  pythonImportsCheck = [ "ioc_scan" ];
 
   meta = with lib; {
     description = "Tool to search a filesystem for indicators of compromise (IoC)";