diff --git a/CHANGELOG.md b/CHANGELOG.md
index 368e03cb..cdc841e1 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,15 @@
 * Added option to not bridge chats with lots of members.
 * Added option to include captions in the same message as the media to
   implement [MSC2530].
+* Added options to make encryption more secure.
+  * The `encryption` -> `verification_levels` config options can be used to
+    make the bridge require encrypted messages to come from cross-signed
+    devices, with trust-on-first-use validation of the cross-signing master
+    key.
+  * The `encryption` -> `require` option can be used to make the bridge ignore
+    any unencrypted messages.
+  * Key rotation settings can be configured with the `encryption` -> `rotation`
+    config.
 
 ### Improved
 * Improved handling the bridge user leaving chats on Telegram, and new users
@@ -20,7 +29,7 @@
   removed in v0.11.0).
 * Updated to API layer 143 so that Telegram would send new message types like
   premium stickers to the bridge.
-* Updated Docker image to Alpine 3.16.
+* Updated Docker image to Alpine 3.16 and made it smaller.
 
 ### Fixed
 * Fixed command prefix in game and poll messages (thanks to [@cynhr] in [#804]).
diff --git a/requirements.txt b/requirements.txt
index ac28177d..b9cbf4f5 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,7 +3,7 @@ python-magic>=0.4,<0.5
 commonmark>=0.8,<0.10
 aiohttp>=3,<4
 yarl>=1,<2
-mautrix>=0.17.1,<0.18
+mautrix>=0.17.2,<0.18
 #telethon>=1.24,<1.25
 tulir-telethon==1.25.0a19
 asyncpg>=0.20,<0.26