diff --git a/pkgs/development/python-modules/niaaml/default.nix b/pkgs/development/python-modules/niaaml/default.nix
index 4a4f175a8943..bc5d712913b8 100644
--- a/pkgs/development/python-modules/niaaml/default.nix
+++ b/pkgs/development/python-modules/niaaml/default.nix
@@ -5,28 +5,34 @@
 , numpy
 , pandas
 , poetry-core
-, scikit-learn
-, toml-adapt
 , pytestCheckHook
 , pythonOlder
+, pythonRelaxDepsHook
+, scikit-learn
+, toml-adapt
 }:
 
 buildPythonPackage rec {
   pname = "niaaml";
   version = "1.1.12";
-  format = "pyproject";
+  pyproject = true;
 
-  disabled = pythonOlder "3.7";
+  disabled = pythonOlder "3.9";
 
   src = fetchFromGitHub {
     owner = "lukapecnik";
     repo = "NiaAML";
-    rev = version;
+    rev = "refs/tags/${version}";
     hash = "sha256-GAUXEkUOD04DQtRG/RAeeeLmenBd25h18Lmrxbm4X3A=";
   };
 
+  pythonRelaxDeps = [
+    "pandas"
+  ];
+
   nativeBuildInputs = [
     poetry-core
+    pythonRelaxDepsHook
     toml-adapt
   ];
 
@@ -54,6 +60,7 @@ buildPythonPackage rec {
   meta = with lib; {
     description = "Python automated machine learning framework";
     homepage = "https://github.com/lukapecnik/NiaAML";
+    changelog = "https://github.com/lukapecnik/NiaAML/releases/tag/${version}";
     license = licenses.mit;
     maintainers = with maintainers; [ firefly-cpp ];
   };
diff --git a/pkgs/development/python-modules/niaclass/default.nix b/pkgs/development/python-modules/niaclass/default.nix
index 89d8ae746aed..eca766c67a0f 100644
--- a/pkgs/development/python-modules/niaclass/default.nix
+++ b/pkgs/development/python-modules/niaclass/default.nix
@@ -5,28 +5,34 @@
 , numpy
 , pandas
 , poetry-core
-, scikit-learn
-, toml-adapt
 , pytestCheckHook
 , pythonOlder
+, pythonRelaxDepsHook
+, scikit-learn
+, toml-adapt
 }:
 
 buildPythonPackage rec {
   pname = "niaclass";
   version = "0.1.4";
-  format = "pyproject";
+  pyproject = true;
 
-  disabled = pythonOlder "3.7";
+  disabled = pythonOlder "3.9";
 
   src = fetchFromGitHub {
     owner = "lukapecnik";
     repo = "NiaClass";
     rev = "refs/tags/${version}";
-    sha256 = "sha256-md1e/cOIOQKoB760E5hjzjCsC5tS1CzgqAPTeVtrmuo=";
+    hash = "sha256-md1e/cOIOQKoB760E5hjzjCsC5tS1CzgqAPTeVtrmuo=";
   };
 
+  pythonRelaxDeps = [
+    "pandas"
+  ];
+
   nativeBuildInputs = [
     poetry-core
+    pythonRelaxDepsHook
     toml-adapt
   ];
 
@@ -42,7 +48,7 @@ buildPythonPackage rec {
     toml-adapt -path pyproject.toml -a change -dep scikit-learn -ver X
   '';
 
-  checkInputs = [
+  nativeCheckInputs = [
     pytestCheckHook
   ];
 
@@ -53,6 +59,7 @@ buildPythonPackage rec {
   meta = with lib; {
     description = "A framework for solving classification tasks using Nature-inspired algorithms";
     homepage = "https://github.com/lukapecnik/NiaClass";
+    changelog = "https://github.com/lukapecnik/NiaClass/releases/tag/${version}";
     license = licenses.mit;
     maintainers = with maintainers; [ firefly-cpp ];
   };
diff --git a/pkgs/development/python-modules/nianet/default.nix b/pkgs/development/python-modules/nianet/default.nix
index 4adca2e5b701..d91f278a5906 100644
--- a/pkgs/development/python-modules/nianet/default.nix
+++ b/pkgs/development/python-modules/nianet/default.nix
@@ -9,26 +9,27 @@
 , pythonOlder
 , scikit-learn
 , toml-adapt
+, tomli
 , torch
 }:
 
 buildPythonPackage rec {
   pname = "nianet";
   version = "1.1.4";
-  format = "pyproject";
+  pyproject = true;
 
-  disabled = pythonOlder "3.6";
+  disabled = pythonOlder "3.9";
 
   src = fetchFromGitHub {
     owner = "SasoPavlic";
-    repo = pname;
-    rev = "version_${version}";
+    repo = "nianet";
+    rev = "refs/tags/version_${version}";
     sha256 = "sha256-FZipl6Z9AfiL6WH0kvUn8bVxt8JLdDVlmTSqnyxe0nY=";
   };
 
   nativeBuildInputs = [
-    toml-adapt
     poetry-core
+    toml-adapt
   ];
 
   propagatedBuildInputs = [
@@ -44,8 +45,9 @@ buildPythonPackage rec {
     toml-adapt -path pyproject.toml -a change -dep torch -ver X
   '';
 
-  checkInputs = [
+  nativeCheckInputs = [
     pytestCheckHook
+    tomli
   ];
 
   pythonImportsCheck = [