diff --git a/pkgs/development/python-modules/orange-canvas-core/default.nix b/pkgs/development/python-modules/orange-canvas-core/default.nix
index 592aa2afa509..37683a999488 100644
--- a/pkgs/development/python-modules/orange-canvas-core/default.nix
+++ b/pkgs/development/python-modules/orange-canvas-core/default.nix
@@ -18,12 +18,12 @@
 
 buildPythonPackage rec {
   pname = "orange-canvas-core";
-  version = "0.2.0";
+  version = "0.1.35";
   format = "setuptools";
 
   src = fetchPypi {
     inherit pname version;
-    hash = "sha256-KMEFZkAZkDhuDPpAts+u825p5pFJZbyrsMW/S1AArp4=";
+    hash = "sha256-xLCwjeNDx9RqxlNkIWMo0Pcrg7akGuu4Rv9oRDgOK18=";
   };
 
   propagatedBuildInputs = [
diff --git a/pkgs/development/python-modules/orange-widget-base/default.nix b/pkgs/development/python-modules/orange-widget-base/default.nix
index 95dadbb04d79..3a1d5cd6e893 100644
--- a/pkgs/development/python-modules/orange-widget-base/default.nix
+++ b/pkgs/development/python-modules/orange-widget-base/default.nix
@@ -16,12 +16,12 @@
 
 buildPythonPackage rec {
   pname = "orange-widget-base";
-  version = "4.23.0";
+  version = "4.22.0";
   format = "setuptools";
 
   src = fetchPypi {
     inherit pname version;
-    hash = "sha256-mz+BcZEdg1p9V0ewYRrw3jKBWLMbL9RR6o4hUEUx9DA=";
+    hash = "sha256-nV2aBPZzn7K+QECtCVoLLh5smG31zE2G9jFTKlxh9qM=";
   };
 
   propagatedBuildInputs = [
diff --git a/pkgs/development/python-modules/orange3/default.nix b/pkgs/development/python-modules/orange3/default.nix
index 1c4531254ae8..a5f9d5f85fd4 100644
--- a/pkgs/development/python-modules/orange3/default.nix
+++ b/pkgs/development/python-modules/orange3/default.nix
@@ -1,4 +1,5 @@
 { lib
+, stdenv
 , baycomp
 , bottleneck
 , buildPythonPackage
@@ -24,12 +25,15 @@
 , orange-canvas-core
 , orange-widget-base
 , pandas
+, pytestCheckHook
+, pytest-qt
 , pyqtgraph
 , pyqtwebengine
 , python
 , python-louvain
 , pythonOlder
 , pyyaml
+, pip
 , qt5
 , qtconsole
 , recommonmark
@@ -112,6 +116,7 @@ let
       keyrings-alt
       pyyaml
       baycomp
+      pip
     ];
 
     # FIXME: ImportError: cannot import name '_variable' from partially initialized module 'Orange.data' (most likely due to a circular import) (/build/source/Orange/data/__init__.py)
@@ -146,9 +151,9 @@ let
 
     passthru = {
       updateScript = nix-update-script { };
-      tests.unittests = self.overridePythonAttrs (old: {
-        pname = "${old.pname}-tests";
-        format = "other";
+      tests.unittests = stdenv.mkDerivation {
+        name = "${self.name}-tests";
+        inherit (self) src;
 
         preCheck = ''
           export HOME=$(mktemp -d)
@@ -160,23 +165,32 @@ let
           cp -r ${self}/${python.sitePackages}/Orange .
           chmod +w -R .
 
-          rm Orange/tests/test_url_reader.py # uses network
-          rm Orange/tests/test_ada_boost.py # broken: The 'base_estimator' parameter of AdaBoostRegressor must be an object implementing 'fit' and 'predict' or a str among {'deprecated'}. Got None instead.
+          substituteInPlace Orange/classification/tests/test_xgb_cls.py \
+            --replace test_learners mk_test_learners
+
+          substituteInPlace Orange/modelling/tests/test_xgb.py \
+            --replace test_learners mk_test_learners
+
+          substituteInPlace Orange/**/tests/*.py \
+            --replace test_filename filename_test
+
+          # TODO: debug why orange is crashing on GC, may be a upstream issue
+          chmod +x Orange/__init__.py
+          echo "import gc; gc.disable()" | tee -a Orange/__init__.py
+
         '';
 
-        checkPhase = ''
-          runHook preCheck
-          ${python.interpreter} -m unittest -b -v ./Orange/**/test*.py
-          runHook postCheck
-        '';
+        nativeBuildInputs = [ pytestCheckHook pytest-qt ];
 
-        postInstall = "";
+        postCheck = ''
+          touch $out
+        '';
 
         doBuild = false;
         doInstall = false;
 
-        nativeBuildInputs = [ self ] ++ old.nativeBuildInputs;
-      });
+        buildInputs = [ self ];
+      };
     };
 
     meta = with lib; {
diff --git a/pkgs/development/python-modules/pyqtgraph/default.nix b/pkgs/development/python-modules/pyqtgraph/default.nix
index 2599fb1d813c..f09ed4fa0cb7 100644
--- a/pkgs/development/python-modules/pyqtgraph/default.nix
+++ b/pkgs/development/python-modules/pyqtgraph/default.nix
@@ -11,6 +11,7 @@
 , freefont_ttf
 , makeFontsConf
 , setuptools
+, python
 }:
 
 let
@@ -70,6 +71,7 @@ buildPythonPackage rec {
     homepage = "https://www.pyqtgraph.org/";
     changelog = "https://github.com/pyqtgraph/pyqtgraph/blob/master/CHANGELOG";
     license = licenses.mit;
+    broken = lib.versionAtLeast python.version "3.12";
     platforms = platforms.unix;
     maintainers = with maintainers; [ koral ];
   };