diff --git a/pkgs/by-name/he/heretic/package.nix b/pkgs/by-name/he/heretic/package.nix
new file mode 100644
index 000000000000..5b5529712aa0
--- /dev/null
+++ b/pkgs/by-name/he/heretic/package.nix
@@ -0,0 +1 @@
+{ python3Packages }: with python3Packages; toPythonApplication heretic-llm
diff --git a/pkgs/development/python-modules/heretic-llm/default.nix b/pkgs/development/python-modules/heretic-llm/default.nix
new file mode 100644
index 000000000000..749d46b9fad9
--- /dev/null
+++ b/pkgs/development/python-modules/heretic-llm/default.nix
@@ -0,0 +1,90 @@
+{
+  lib,
+  accelerate,
+  bitsandbytes,
+  buildPythonPackage,
+  datasets,
+  fetchFromGitHub,
+  # geom-median,
+  hf-transfer,
+  huggingface-hub,
+  imageio,
+  kernels,
+  matplotlib,
+  numpy,
+  optuna,
+  # pacmap,
+  peft,
+  psutil,
+  pydantic-settings,
+  questionary,
+  rich,
+  scikit-learn,
+  transformers,
+  uv-build,
+}:
+
+buildPythonPackage (finalAttrs: {
+  pname = "heretic-llm";
+  version = "1.2.0";
+  pyproject = true;
+
+  src = fetchFromGitHub {
+    owner = "p-e-w";
+    repo = "heretic";
+    tag = "v${finalAttrs.version}";
+    hash = "sha256-KmqbOAOII1SP7wpdvGxtzQJt5NmlnF/o99NuZ21vO0s=";
+  };
+
+  postPatch = ''
+    substituteInPlace pyproject.toml \
+      --replace-fail "uv_build>=0.8.11,<0.9.0" "uv_build"
+  '';
+
+  pythonRelaxDeps = [
+    "huggingface-hub"
+    "transformers"
+  ];
+
+  build-system = [ uv-build ];
+
+  dependencies = [
+    accelerate
+    bitsandbytes
+    datasets
+    hf-transfer
+    huggingface-hub
+    kernels
+    optuna
+    peft
+    psutil
+    pydantic-settings
+    questionary
+    rich
+    transformers
+  ];
+
+  optional-dependencies = {
+    research = [
+      # geom-median
+      imageio
+      matplotlib
+      numpy
+      # pacmap
+      scikit-learn
+    ];
+  };
+
+  pythonImportsCheck = [ "heretic" ];
+
+  meta = {
+    description = "Tool to remove censorship removal for language models";
+    homepage = "https://github.com/p-e-w/heretic";
+    changelog = "https://github.com/p-e-w/heretic/releases/tag/v${finalAttrs.src.tag}";
+    license = with lib.licenses; [
+      agpl3Only
+      agpl3Plus
+    ];
+    maintainers = with lib.maintainers; [ fab ];
+  };
+})
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 621d993c3bd1..d36b5f1d4d53 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -6966,6 +6966,8 @@ self: super: with self; {
 
   herepy = callPackage ../development/python-modules/herepy { };
 
+  heretic-llm = callPackage ../development/python-modules/heretic-llm { };
+
   hetzner = callPackage ../development/python-modules/hetzner { };
 
   heudiconv = callPackage ../development/python-modules/heudiconv { };