diff --git a/pkgs/development/python-modules/mautrix-appservice/0001-Remove-coding-annotations.patch b/pkgs/development/python-modules/mautrix-appservice/0001-Remove-coding-annotations.patch
deleted file mode 100644
index d00264efe8c..00000000000
--- a/pkgs/development/python-modules/mautrix-appservice/0001-Remove-coding-annotations.patch
+++ /dev/null
@@ -1,53 +0,0 @@
-From 6750cda26821f703b120ba5c925cc696200570d3 Mon Sep 17 00:00:00 2001
-From: Maximilian Bosch <maximilian@mbosch.me>
-Date: Sat, 26 Oct 2019 10:31:02 +0200
-Subject: [PATCH] Remove coding annotations
-
-Those used to be needed for Python <=3.5. With `pluggy` 0.13.0 this breaks
-tests on newer python3 versions.
----
- mautrix_appservice/appservice.py  | 1 -
- mautrix_appservice/errors.py      | 1 -
- mautrix_appservice/intent_api.py  | 1 -
- mautrix_appservice/state_store.py | 1 -
- 4 files changed, 4 deletions(-)
-
-diff --git a/mautrix_appservice/appservice.py b/mautrix_appservice/appservice.py
-index 3a141b1..47e37fe 100644
---- a/mautrix_appservice/appservice.py
-+++ b/mautrix_appservice/appservice.py
-@@ -1,4 +1,3 @@
--# -*- coding: future_fstrings -*-
- # Partly based on github.com/Cadair/python-appservice-framework (MIT license)
- from contextlib import contextmanager
- from typing import Optional, Callable, Awaitable, Union
-diff --git a/mautrix_appservice/errors.py b/mautrix_appservice/errors.py
-index 90d040f..702f541 100644
---- a/mautrix_appservice/errors.py
-+++ b/mautrix_appservice/errors.py
-@@ -1,4 +1,3 @@
--# -*- coding: future_fstrings -*-
- from typing import Optional
- 
- 
-diff --git a/mautrix_appservice/intent_api.py b/mautrix_appservice/intent_api.py
-index 4021bf8..7236cbb 100644
---- a/mautrix_appservice/intent_api.py
-+++ b/mautrix_appservice/intent_api.py
-@@ -1,4 +1,3 @@
--# -*- coding: future_fstrings -*-
- from urllib.parse import quote as urllib_quote
- from time import time
- from json.decoder import JSONDecodeError
-diff --git a/mautrix_appservice/state_store.py b/mautrix_appservice/state_store.py
-index 47bb970..6ebec2a 100644
---- a/mautrix_appservice/state_store.py
-+++ b/mautrix_appservice/state_store.py
-@@ -1,4 +1,3 @@
--# -*- coding: future_fstrings -*-
- from typing import Optional
- from abc import ABC, abstractmethod
- import json
--- 
-2.23.0
-
diff --git a/pkgs/development/python-modules/mautrix-appservice/default.nix b/pkgs/development/python-modules/mautrix-appservice/default.nix
deleted file mode 100644
index 41ad167929a..00000000000
--- a/pkgs/development/python-modules/mautrix-appservice/default.nix
+++ /dev/null
@@ -1,32 +0,0 @@
-{ lib, buildPythonPackage, fetchPypi, aiohttp, future-fstrings, pythonOlder }:
-
-buildPythonPackage rec {
-  pname = "mautrix-appservice";
-  version = "0.3.11";
-
-  src = fetchPypi {
-    inherit pname version;
-    sha256 = "60192920cff75afdd096eea3a43276e33ec15f4f00bd04d2d1dda616c84f22a5";
-  };
-
-  patches = lib.optional (!(pythonOlder "3.6")) [
-    ./0001-Remove-coding-annotations.patch
-  ];
-
-  propagatedBuildInputs = [
-    aiohttp
-    future-fstrings
-  ];
-
-  # No tests available
-  doCheck = false;
-
-  disabled = pythonOlder "3.5";
-
-  meta = with lib; {
-    homepage = https://github.com/tulir/mautrix-appservice-python;
-    description = "A Python 3 asyncio-based Matrix application service framework";
-    license = licenses.mit;
-    maintainers = with maintainers; [ nyanloutre ];
-  };
-}
diff --git a/pkgs/development/python-modules/mautrix/default.nix b/pkgs/development/python-modules/mautrix/default.nix
new file mode 100644
index 00000000000..d3b12d5ab60
--- /dev/null
+++ b/pkgs/development/python-modules/mautrix/default.nix
@@ -0,0 +1,43 @@
+{ lib, buildPythonPackage, fetchPypi, aiohttp, future-fstrings, pythonOlder
+, sqlalchemy, ruamel_yaml, CommonMark, lxml, fetchpatch
+}:
+
+buildPythonPackage rec {
+  pname = "mautrix";
+  version = "0.4.0";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "03m59d683nr547v5xr80wc3j07das2d2sc3i4bf03dpbkfg0h17w";
+  };
+
+  patches = [
+    (fetchpatch {
+      url = "https://github.com/tulir/mautrix-python/commit/ac46f3bb1bea11d22d8a486cc4821604c844da5e.patch";
+      sha256 = "198g63s0iv8g1w22g4g5hb54y41ws82wraglibz33qhrwsfn8axn";
+    })
+  ];
+
+  propagatedBuildInputs = [
+    aiohttp
+    future-fstrings
+
+    # defined in optional-requirements.txt
+    sqlalchemy
+    ruamel_yaml
+    CommonMark
+    lxml
+  ];
+
+  disabled = pythonOlder "3.5";
+
+  # no tests available
+  doCheck = false;
+
+  meta = with lib; {
+    homepage = https://github.com/tulir/mautrix-python;
+    description = "A Python 3 asyncio Matrix framework.";
+    license = licenses.mpl20;
+    maintainers = with maintainers; [ nyanloutre ma27 ];
+  };
+}
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 256cb6ce534..0eb38f09802 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -3982,7 +3982,8 @@ in {
 
   matrix-nio = callPackage ../development/python-modules/matrix-nio { };
 
-  mautrix-appservice = callPackage ../development/python-modules/mautrix-appservice { };
+  mautrix = callPackage ../development/python-modules/mautrix { };
+  mautrix-appservice = self.mautrix; # alias 2019-12-28
 
   maya = callPackage ../development/python-modules/maya { };