diff --git a/pkgs/development/python-modules/skorch/default.nix b/pkgs/development/python-modules/skorch/default.nix
index e7053c8e6a2b..0cb024b3ce2f 100644
--- a/pkgs/development/python-modules/skorch/default.nix
+++ b/pkgs/development/python-modules/skorch/default.nix
@@ -2,7 +2,7 @@
   lib,
   stdenv,
   buildPythonPackage,
-  fetchPypi,
+  fetchFromGitHub,
   pythonOlder,
   numpy,
   scikit-learn,
@@ -17,6 +17,7 @@
   pytest-cov-stub,
   pytestCheckHook,
   safetensors,
+  transformers,
   pythonAtLeast,
 }:
 
@@ -25,9 +26,11 @@ buildPythonPackage rec {
   version = "1.1.0";
   pyproject = true;
 
-  src = fetchPypi {
-    inherit pname version;
-    hash = "sha256-AguMhI/MO4DNexe5azVEXOw7laTRBN0ecFW81qqh0rY=";
+  src = fetchFromGitHub {
+    owner = "skorch-dev";
+    repo = "skorch";
+    tag = "v${version}";
+    sha256 = "sha256-f0g/kn3HhvYfGDgLpA7gAnYocJrYqHUq680KrGuoPCQ=";
   };
 
   # AttributeError: 'NoneType' object has no attribute 'span' with Python 3.13
@@ -38,6 +41,7 @@ buildPythonPackage rec {
 
   dependencies = [
     numpy
+    pandas
     scikit-learn
     scipy
     tabulate
@@ -47,40 +51,42 @@ buildPythonPackage rec {
 
   nativeCheckInputs = [
     flaky
-    pandas
     pytest-cov-stub
     pytestCheckHook
     safetensors
+    transformers
   ];
 
   checkInputs = lib.optionals stdenv.cc.isClang [ llvmPackages.openmp ];
 
-  disabledTests =
-    [
-      # on CPU, these expect artifacts from previous GPU run
-      "test_load_cuda_params_to_cpu"
-      # failing tests
-      "test_pickle_load"
-    ]
-    ++ lib.optionals stdenv.hostPlatform.isDarwin [
-      # there is a problem with the compiler selection
-      "test_fit_and_predict_with_compile"
-    ];
+  disabledTests = [
+    # on CPU, these expect artifacts from previous GPU run
+    "test_load_cuda_params_to_cpu"
+    # failing tests
+    "test_pickle_load"
+    # there is a problem with the compiler selection
+    "test_fit_and_predict_with_compile"
+    # "Weights only load failed"
+    "test_can_be_copied"
+    "test_pickle"
+    "test_pickle_save_load"
+    "test_train_net_after_copy"
+    "test_weights_restore"
+    # Reported as flaky
+    "test_fit_lbfgs_optimizer"
+  ];
 
-  disabledTestPaths =
-    [
-      # tries to import `transformers` and download HuggingFace data
-      "skorch/tests/test_hf.py"
-    ]
-    ++ lib.optionals
-      (stdenv.hostPlatform.system != "x86_64-linux" && stdenv.hostPlatform.system != "aarch64-darwin")
-      [
-        # these tests fail when running in parallel for multiple platforms with:
-        # "RuntimeError: The server socket has failed to listen on any local
-        # network address because they use the same hardcoded port." For now,
-        # running for one platform per OS to avoid spurious failures.
-        "skorch/tests/test_history.py"
-      ];
+  disabledTestPaths = [
+    # tries to download missing HuggingFace data
+    "skorch/tests/test_dataset.py"
+    "skorch/tests/test_hf.py"
+    "skorch/tests/llm/test_llm_classifier.py"
+    # These tests fail when running in parallel for all platforms with:
+    # "RuntimeError: The server socket has failed to listen on any local
+    # network address because they use the same hardcoded port."
+    # This happens on every platform with sandboxing enabled.
+    "skorch/tests/test_history.py"
+  ];
 
   pythonImportsCheck = [ "skorch" ];