diff --git a/pkgs/development/python-modules/btest/default.nix b/pkgs/development/python-modules/btest/default.nix
index bf75503ca6f4..61c4c29b765f 100644
--- a/pkgs/development/python-modules/btest/default.nix
+++ b/pkgs/development/python-modules/btest/default.nix
@@ -2,30 +2,36 @@
   lib,
   buildPythonPackage,
   fetchFromGitHub,
+  multiprocess,
   pythonOlder,
+  setuptools,
 }:
 
 buildPythonPackage rec {
   pname = "btest";
-  version = "1.1";
-  format = "setuptools";
+  version = "1.2";
+  pyproject = true;
 
-  disabled = pythonOlder "3.7";
+  disabled = pythonOlder "3.9";
 
   src = fetchFromGitHub {
     owner = "zeek";
     repo = "btest";
     tag = "v${version}";
-    hash = "sha256-D01hAKcE52eKJRUh1/x5DGxRQpWgA2J0nutshpKrtRU=";
+    hash = "sha256-c+iWzqq0RiRkZlRYjUCXIaFqgnyFdbMAWDNrVYZUvgw=";
   };
 
+  build-system = [ setuptools ];
+
+  dependencies = [ multiprocess ];
+
   # No tests available and no module to import
   doCheck = false;
 
   meta = with lib; {
     description = "Generic Driver for Powerful System Tests";
     homepage = "https://github.com/zeek/btest";
-    changelog = "https://github.com/zeek/btest/blob/${version}/CHANGES";
+    changelog = "https://github.com/zeek/btest/blob/${src.tag}/CHANGES";
     license = licenses.bsd3;
     maintainers = with maintainers; [ fab ];
   };