diff --git a/pkgs/development/python-modules/restrictedpython/default.nix b/pkgs/development/python-modules/restrictedpython/default.nix
index 875771d8f8c6..169e28773b42 100644
--- a/pkgs/development/python-modules/restrictedpython/default.nix
+++ b/pkgs/development/python-modules/restrictedpython/default.nix
@@ -5,21 +5,26 @@
 , pytestCheckHook
 , pythonAtLeast
 , pythonOlder
+, setuptools
 }:
 
 buildPythonPackage rec {
   pname = "restrictedpython";
-  version = "6.2";
-  format = "setuptools";
+  version = "7.0";
+  pyproject = true;
 
   disabled = pythonOlder "3.7";
 
   src = fetchPypi {
     pname = "RestrictedPython";
     inherit version;
-    hash = "sha256-23Prfjs5ZQ8NIdEMyN2pwOKYbmIclLDF3jL7De46CK8=";
+    hash = "sha256-U3BK+7w1D9yPskVEE2e+Zxyfg4CGkgGy6EUudPzj2xQ=";
   };
 
+  nativeBuildInputs = [
+    setuptools
+  ];
+
   nativeCheckInputs = [
     pytestCheckHook
     pytest-mock