diff --git a/CHANGELOG.md b/CHANGELOG.md
index 014e4b0..2a3e691 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,11 @@
+# v0.4.2 (2023-09-20)
+
+* Updated Pillow to 10.0.1.
+* Updated Docker image to Alpine 3.18.
+* Added logging for errors for /whoami errors when adding new bot accounts.
+* Added support for using appservice tokens (including appservice encryption)
+  in standalone mode.
+
 # v0.4.1 (2023-03-15)
 
 * Added `in_thread` parameter to `evt.reply()` and `evt.respond()`.
diff --git a/maubot/__meta__.py b/maubot/__meta__.py
index 3d26edf..df12433 100644
--- a/maubot/__meta__.py
+++ b/maubot/__meta__.py
@@ -1 +1 @@
-__version__ = "0.4.1"
+__version__ = "0.4.2"