diff --git a/pkgs/development/python-modules/cvss/default.nix b/pkgs/development/python-modules/cvss/default.nix
index 140852cb98be..120325a7b8e5 100644
--- a/pkgs/development/python-modules/cvss/default.nix
+++ b/pkgs/development/python-modules/cvss/default.nix
@@ -2,47 +2,44 @@
 , buildPythonPackage
 , fetchFromGitHub
 , jsonschema
-, pytestCheckHook
+, unittestCheckHook
 , pythonOlder
+, setuptools
 }:
 
 buildPythonPackage rec {
   pname = "cvss";
-  version = "2.6";
-  format = "setuptools";
+  version = "3.0";
+  pyproject = true;
 
   disabled = pythonOlder "3.7";
 
   src = fetchFromGitHub {
     owner = "RedHatProductSecurity";
-    repo = pname;
+    repo = "cvss";
     rev = "refs/tags/v${version}";
-    hash = "sha256-gD9MreJQPaxziy02Wt3BGFiIoQ/+pW3KqiNfNlTijJY=";
+    hash = "sha256-xrkWpE13Y4KgQEZjitWE3Ka+IyfShqE2cj0/yzsAnX4=";
   };
 
+  nativeBuildInputs = [
+    setuptools
+  ];
+
   nativeCheckInputs = [
     jsonschema
-    pytestCheckHook
+    unittestCheckHook
   ];
 
   pythonImportsCheck = [
     "cvss"
   ];
 
-  disabledTests = [
-    # Tests require additional data
-    "test_calculator"
-    "test_cvsslib"
-    "test_json_ordering"
-    "test_json_schema_repr"
-    "test_random"
-    "test_rh_vector"
-    "test_simple"
-    "test_simple_31"
-  ];
+  preCheck = ''
+    cd tests
+  '';
 
   meta = with lib; {
-    description = "Library for CVSS2/3";
+    description = "Library for CVSS2/3/4";
     homepage = "https://github.com/RedHatProductSecurity/cvss";
     changelog = "https://github.com/RedHatProductSecurity/cvss/releases/tag/v${version}";
     license = with licenses; [ lgpl3Plus ];
diff --git a/pkgs/development/python-modules/reptor/default.nix b/pkgs/development/python-modules/reptor/default.nix
index d48a84025e4c..94d3058a8a15 100644
--- a/pkgs/development/python-modules/reptor/default.nix
+++ b/pkgs/development/python-modules/reptor/default.nix
@@ -15,6 +15,7 @@
 , pytest
 , pytestCheckHook
 , pythonOlder
+, pythonRelaxDepsHook
 , pyyaml
 , reptor
 , requests
@@ -22,16 +23,17 @@
 , setuptools
 , sqlparse
 , termcolor
-, toml
+, tomli
 , tomli-w
+, tomlkit
 , urllib3
 , xmltodict
 }:
 
 buildPythonPackage rec {
   pname = "reptor";
-  version = "0.7";
-  format = "pyproject";
+  version = "0.8";
+  pyproject = true;
 
   disabled = pythonOlder "3.8";
 
@@ -39,10 +41,13 @@ buildPythonPackage rec {
     owner = "Syslifters";
     repo = "reptor";
     rev = "refs/tags/${version}";
-    hash = "sha256-d76Hsf+leJKYOh7k/RVuo6adfjMW6yAYt+vh7KNh7sA=";
+    hash = "sha256-YnDAjbj3TTr+WajuW6Dq3f+fjeJxrWk7VNWKhh9O7Zw=";
   };
 
+  pythonRelaxDeps = true;
+
   nativeBuildInputs = [
+    pythonRelaxDepsHook
     setuptools
   ];
 
@@ -61,7 +66,8 @@ buildPythonPackage rec {
     rich
     sqlparse
     termcolor
-    toml
+    tomli
+    tomlkit
     tomli-w
     urllib3
     xmltodict