diff --git a/pkgs/development/python-modules/pomegranate/default.nix b/pkgs/development/python-modules/pomegranate/default.nix
index 62b8c9f260e0..cd1dc05dec77 100644
--- a/pkgs/development/python-modules/pomegranate/default.nix
+++ b/pkgs/development/python-modules/pomegranate/default.nix
@@ -21,16 +21,40 @@
 
 buildPythonPackage rec {
   pname = "pomegranate";
-  version = "1.1.0";
+  version = "1.1.2";
   pyproject = true;
 
   src = fetchFromGitHub {
     repo = "pomegranate";
     owner = "jmschrei";
-    tag = "v${version}";
-    hash = "sha256-p2Gn0FXnsAHvRUeAqx4M1KH0+XvDl3fmUZZ7MiMvPSs=";
+    # tag = "v${version}";
+    # No tag for 1.1.2
+    rev = "e9162731f4f109b7b17ecffde768734cacdb839b";
+    hash = "sha256-vVoAoZ+mph11ZfINT+yxRyk9rXv6FBDgxBz56P2K95Y=";
   };
 
+  # _pickle.UnpicklingError: Weights only load failed.
+  # https://pytorch.org/docs/stable/generated/torch.load.html
+  postPatch = ''
+    substituteInPlace \
+      tests/distributions/test_bernoulli.py \
+      tests/distributions/test_categorical.py \
+      tests/distributions/test_exponential.py \
+      tests/distributions/test_gamma.py \
+      tests/distributions/test_independent_component.py \
+      tests/distributions/test_normal_diagonal.py \
+      tests/distributions/test_normal_full.py \
+      tests/distributions/test_poisson.py \
+      tests/distributions/test_student_t.py \
+      tests/distributions/test_uniform.py \
+      tests/test_bayes_classifier.py \
+      tests/test_gmm.py \
+      tests/test_kmeans.py \
+      --replace-fail \
+        'torch.load(".pytest.torch")' \
+        'torch.load(".pytest.torch", weights_only=False)'
+  '';
+
   build-system = [ setuptools ];
 
   dependencies = [