diff --git a/pkgs/development/python-modules/fastspec/default.nix b/pkgs/development/python-modules/fastspec/default.nix
new file mode 100644
index 000000000000..95d924ea446c
--- /dev/null
+++ b/pkgs/development/python-modules/fastspec/default.nix
@@ -0,0 +1,46 @@
+{
+  lib,
+  buildPythonPackage,
+  fastcore,
+  fasttransport,
+  fetchFromGitHub,
+  nix-update-script,
+  setuptools,
+}:
+
+buildPythonPackage (finalAttrs: {
+  pname = "fastspec";
+  version = "0.2.3";
+  pyproject = true;
+
+  __structuredAttrs = true;
+
+  src = fetchFromGitHub {
+    owner = "AnswerDotAI";
+    repo = "fastspec";
+    tag = finalAttrs.version;
+    hash = "sha256-bSD3x/oqxfPfUAe5jl5UhXknsvJ39j5voVIX6zDntW4=";
+  };
+
+  build-system = [ setuptools ];
+
+  dependencies = [
+    fastcore
+    fasttransport
+  ];
+
+  # Module has no tests
+  doCheck = false;
+
+  pythonImportsCheck = [ "fastspec" ];
+
+  passthru.updateScript = nix-update-script { };
+
+  meta = {
+    description = "Dynamic OpenAPI and discovery spec client for Python";
+    homepage = "https://github.com/AnswerDotAI/fastspec";
+    changelog = "https://github.com/AnswerDotAI/fastspec/blob/${finalAttrs.src.rev}/CHANGELOG.md";
+    license = lib.licenses.asl20;
+    maintainers = with lib.maintainers; [ fab ];
+  };
+})
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index f81f44b73208..2d36002dd34f 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -5945,6 +5945,8 @@ self: super: with self; {
 
   fastrlock = callPackage ../development/python-modules/fastrlock { };
 
+  fastspec = callPackage ../development/python-modules/fastspec { };
+
   fasttext = callPackage ../development/python-modules/fasttext { };
 
   fasttransform = callPackage ../development/python-modules/fasttransform { };