diff --git a/pkgs/by-name/au/autodiff/package.nix b/pkgs/by-name/au/autodiff/package.nix
new file mode 100644
index 000000000000..e5859b8bb848
--- /dev/null
+++ b/pkgs/by-name/au/autodiff/package.nix
@@ -0,0 +1,43 @@
+{
+  lib,
+  stdenv,
+  fetchFromGitHub,
+  cmake,
+  eigen,
+  catch2_3,
+  python3Packages,
+}:
+
+stdenv.mkDerivation (finalAttrs: {
+  pname = "autodiff";
+  version = "1.1.2";
+
+  src = fetchFromGitHub {
+    owner = "autodiff";
+    repo = "autodiff";
+    tag = "v${finalAttrs.version}";
+    hash = "sha256-hKIufS5o5tfsbVchwTJxms1n5Im1iTfY3KGWD1s5g9M=";
+  };
+
+  nativeBuildInputs = [
+    cmake
+    eigen
+    catch2_3
+    python3Packages.pybind11
+    python3Packages.distutils
+  ];
+
+  postPatch =
+    # https://github.com/autodiff/autodiff/pull/391
+    ''
+      substituteInPlace python/package/CMakeLists.txt \
+        --replace-fail PYTHON_EXECUTABLE Python_EXECUTABLE
+    '';
+
+  meta = {
+    description = "Automatic differentiation made easier for C++";
+    homepage = "https://github.com/autodiff/autodiff/tree/main";
+    maintainers = [ lib.maintainers.athas ];
+    license = lib.licenses.mit;
+  };
+})