diff --git a/pkgs/development/python-modules/monotonic-alignment-search/default.nix b/pkgs/development/python-modules/monotonic-alignment-search/default.nix
new file mode 100644
index 000000000000..7ca496c13d21
--- /dev/null
+++ b/pkgs/development/python-modules/monotonic-alignment-search/default.nix
@@ -0,0 +1,48 @@
+{
+  lib,
+  buildPythonPackage,
+  fetchFromGitHub,
+
+  # build-system
+  setuptools,
+  cython,
+  numpy_2,
+
+  # dependencies
+  torch,
+}:
+
+buildPythonPackage rec {
+  pname = "monotonic-alignment-search";
+  version = "0.1.1";
+  pyproject = true;
+
+  src = fetchFromGitHub {
+    owner = "eginhard";
+    repo = "monotonic_alignment_search";
+    rev = "refs/tags/v${version}";
+    hash = "sha256-qBkJKED0KVArhzmhZo8UuWQ55XMMBgvKM3xOwiPVwKU=";
+  };
+
+  build-system = [
+    setuptools
+    cython
+    numpy_2
+  ];
+
+  dependencies = [
+    torch
+  ];
+
+  pytestFlagsArray = [ "tests" ];
+
+  pythonImportsCheck = [ "monotonic_alignment_search" ];
+
+  meta = {
+    homepage = "https://github.com/eginhard/monotonic_alignment_search";
+    description = "Monotonically align text and speech";
+    changelog = "https://github.com/eginhard/monotonic_alignment_search/releases/tag/v${version}";
+    license = lib.licenses.mit;
+    maintainers = with lib.maintainers; [ jbgi ];
+  };
+}
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 7066958e5e22..f57ed8420119 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -8373,6 +8373,10 @@ self: super: with self; {
 
   monotonic = callPackage ../development/python-modules/monotonic { };
 
+  monotonic-alignment-search =
+    callPackage ../development/python-modules/monotonic-alignment-search
+      { };
+
   monty = callPackage ../development/python-modules/monty { };
 
   monzopy = callPackage ../development/python-modules/monzopy { };