diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index 4f23945b46e038ea5acaaeb29aafdca61404f4fb..9946633ec579818c2f01c31f87ea38988aba9cd3 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -9,6 +9,9 @@ and this project adheres to `Semantic Versioning`_.
 Unreleased
 ----------
 
+`2.1`_ - 2022-06-25
+-------------------
+
 Added
 ~~~~~
 
@@ -257,3 +260,4 @@ Fixed
 .. _2.0rc7: https://edugit.org/AlekSIS/Official/AlekSIS-App-Alsijil/-/tags/2.0rc7
 .. _2.0: https://edugit.org/AlekSIS/Official/AlekSIS-App-Alsijil/-/tags/2.0
 .. _2.0.1: https://edugit.org/AlekSIS/Official/AlekSIS-App-Alsijil/-/tags/2.0.1
+.. _2.1: https://edugit.org/AlekSIS/Official/AlekSIS-App-Alsijil/-/tags/2.1
diff --git a/README.rst b/README.rst
index e0063aa4f1170759ab0377f9f51f0ea47a25796a..61e80f73c24aa9077218aa86a2427463f75f1f0f 100644
--- a/README.rst
+++ b/README.rst
@@ -34,9 +34,9 @@ Licence
   Copyright © 2019, 2021 Dominik George <dominik.george@teckids.org>
   Copyright © 2019, 2020 Tom Teichler <tom.teichler@teckids.org>
   Copyright © 2019 mirabilos <thorsten.glaser@teckids.org>
+  Copyright © 2020, 2021, 2022 Jonathan Weth <dev@jonathanweth.de>
   Copyright © 2020, 2021 Julian Leucker <leuckeju@katharineum.de>
-  Copyright © 2020, 2021 Jonathan Weth <dev@jonathanweth.de>
-  Copyright © 2020 Hangzhi Yu <yuha@katharineum.de>
+  Copyright © 2020, 2022 Hangzhi Yu <yuha@katharineum.de>
   Copyright © 2021 Lloyd Meins <meinsll@katharineum.de>
 
 
diff --git a/aleksis/apps/alsijil/apps.py b/aleksis/apps/alsijil/apps.py
index 196c9ee3b80764be90902e95ff11afd31c9d50c0..b523b38afa08c965628afbfbe61327e8b03f7067 100644
--- a/aleksis/apps/alsijil/apps.py
+++ b/aleksis/apps/alsijil/apps.py
@@ -13,8 +13,8 @@ class AlsijilConfig(AppConfig):
         ([2019, 2021], "Dominik George", "dominik.george@teckids.org"),
         ([2019, 2020], "Tom Teichler", "tom.teichler@teckids.org"),
         ([2019], "mirabilos", "thorsten.glaser@teckids.org"),
-        ([2020, 2021], "Jonathan Weth", "dev@jonathanweth.de"),
+        ([2020, 2021, 2022], "Jonathan Weth", "dev@jonathanweth.de"),
         ([2020, 2021], "Julian Leucker", "leuckeju@katharineum.de"),
-        ([2020], "Hangzhi Yu", "yuha@katharineum.de"),
+        ([2020, 2022], "Hangzhi Yu", "yuha@katharineum.de"),
         ([2021], "Lloyd Meins", "meinsll@katharineum.de"),
     )
diff --git a/docs/conf.py b/docs/conf.py
index d1074475351acac1216bd056058d546996fd6fea..1bb1712a1d993fe8523eed1d34291b7865c37aa6 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -29,9 +29,9 @@ copyright = "2019-2022 The AlekSIS team"
 author = "The AlekSIS Team"
 
 # The short X.Y version
-version = "2.0"
+version = "2.1"
 # The full version, including alpha/beta/rc tags
-release = "2.0.2.dev0"
+release = "2.1.1.dev0"
 
 
 # -- General configuration ---------------------------------------------------
diff --git a/pyproject.toml b/pyproject.toml
index 5aaa12748af26819e63ebf590ca55c59d9e2a64e..1381bc6d33e3ef546a6555d1e8695cae267f33d9 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "AlekSIS-App-Alsijil"
-version = "2.0.2.dev0"
+version = "2.1.1.dev0"
 packages = [
     { include = "aleksis" }
 ]
@@ -50,10 +50,14 @@ secondary = true
 python = "^3.9"
 aleksis-core = "^2.7"
 aleksis-app-chronos = "^2.2"
+aleksis-app-stoelindeling = { version = "^1.0", optional = true }
 
 [tool.poetry.dev-dependencies]
 aleksis-builddeps = "*"
 
+[tool.poetry.extras]
+seatingplans = ["aleksis-app-stoelindeling"]
+
 [tool.poetry.plugins."aleksis.app"]
 alsijil = "aleksis.apps.alsijil.apps:AlsijilConfig"