diff --git a/README.rst b/README.rst
index fddf3e7ceaece907b6e3fb9876db570db31c4450..c2099c66cf1e5948769e12a2cc125effc9734c89 100644
--- a/README.rst
+++ b/README.rst
@@ -16,7 +16,7 @@ Licence
 
 ::
 
-  Copyright © 2021 Dominik George <dominik.george@teckids.org>
+  Copyright © 2021, 2022 Jonathan Weth <dev@jonathanweth.de>
 
   Licenced under the EUPL, version 1.2 or later
 
diff --git a/aleksis/apps/matrix/__init__.py b/aleksis/apps/matrix/__init__.py
index 7da74f18ff0c0c063970d5f77d81f41841b0e07a..47838dca46c861480633d45fb511523ce8198bfe 100644
--- a/aleksis/apps/matrix/__init__.py
+++ b/aleksis/apps/matrix/__init__.py
@@ -4,5 +4,3 @@ try:
     __version__ = pkg_resources.get_distribution("AlekSIS-App-Matrix").version
 except Exception:
     __version__ = "unknown"
-
-default_app_config = "aleksis.apps.matrix.apps.DefaultConfig"
diff --git a/aleksis/apps/matrix/apps.py b/aleksis/apps/matrix/apps.py
index 64749ecbac295255e4b89599dfad37ae1dc0a84b..1c60d9e509f7e8e9af819f274130b8001a473be1 100644
--- a/aleksis/apps/matrix/apps.py
+++ b/aleksis/apps/matrix/apps.py
@@ -10,4 +10,4 @@ class DefaultConfig(AppConfig):
         "Repository": "https://edugit.org/AlekSIS/onboarding//AlekSIS-App-Matrix",
     }
     licence = "EUPL-1.2+"
-    copyright_info = (([2021], "Dominik George", "dominik.george@teckids.org"),)
+    copyright_info = (([2021, 2022], "Jonathan Weth", "dev@jonathanweth.de"),)
diff --git a/pyproject.toml b/pyproject.toml
index 9ff420af8e5c743e7ca25f02cb1f6feba6a79e42..1e1d1fdfdd086526f3b86750d46a8d7e2fd674f7 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -8,7 +8,7 @@ readme = "README.rst"
 include = ["CHANGELOG.rst", "LICENCE.rst", "aleksis/**/*.mo"]
 
 description = "AlekSIS (School Information System) — App Matrix (Integration with Matrix/Element)"
-authors = ["Dominik George <dominik.george@teckids.org>"]
+authors = ["Jonathan Weth <dev@jonathanweth.de>"]
 maintainers = [
     "Jonathan Weth <wethjo@katharineum.de>",
     "Dominik George <dominik.george@teckids.org>"