diff --git a/pkgs/development/python-modules/cerberus/default.nix b/pkgs/development/python-modules/cerberus/default.nix
index f4a9520ee869..a7e47080e040 100644
--- a/pkgs/development/python-modules/cerberus/default.nix
+++ b/pkgs/development/python-modules/cerberus/default.nix
@@ -10,8 +10,8 @@
 
 buildPythonPackage rec {
   pname = "cerberus";
-  version = "1.3.5";
-  format = "pyproject";
+  version = "1.3.6";
+  pyproject = true;
 
   disabled = pythonOlder "3.9";
 
@@ -19,10 +19,10 @@ buildPythonPackage rec {
     owner = "pyeve";
     repo = "cerberus";
     tag = version;
-    hash = "sha256-4sVNM4zHc9nsrntmJVdE9nm47CSF0UOJPPI9z3Z2YDc=";
+    hash = "sha256-puQcU8USYtylW5XN0VQzG/dizQR24s7+YgrOxIwaDKQ=";
   };
 
-  propagatedBuildInputs = [
+  build-system = [
     poetry-core
     setuptools
   ];