diff --git a/mautrix_twitter/example-config.yaml b/mautrix_twitter/example-config.yaml
index b8d438f..3e69284 100644
--- a/mautrix_twitter/example-config.yaml
+++ b/mautrix_twitter/example-config.yaml
@@ -40,7 +40,7 @@ appservice:
 
     # The full URI to the database. SQLite and Postgres are supported.
     # Format examples:
-    #   SQLite:   sqlite:///filename.db
+    #   SQLite:   sqlite:filename.db
     #   Postgres: postgres://username:password@hostname/dbname
     database: postgres://username:password@hostname/db
     # Additional arguments for asyncpg.create_pool() or sqlite3.connect()
@@ -228,6 +228,10 @@ bridge:
             # default.
             messages: 100
 
+            # Disable rotating keys when a user's devices change?
+            # You should not enable this option unless you understand all the implications.
+            disable_device_change_key_rotation: false
+
     # Whether to explicitly set the avatar and room name for private chat portal rooms.
     # If set to `default`, this will be enabled in encrypted rooms and disabled in unencrypted rooms.
     # If set to `always`, all DM rooms will have explicit names and avatars set.
diff --git a/optional-requirements.txt b/optional-requirements.txt
index aad95c3..219176c 100644
--- a/optional-requirements.txt
+++ b/optional-requirements.txt
@@ -7,7 +7,7 @@ pycryptodome>=3,<4
 unpaddedbase64>=1,<3
 
 #/metrics
-prometheus_client>=0.6,<0.17
+prometheus_client>=0.6,<0.18
 
 #/sqlite
 aiosqlite>=0.16,<0.20
diff --git a/requirements.txt b/requirements.txt
index b0c3fef..e387e37 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,5 +4,5 @@ commonmark>=0.8,<0.10
 aiohttp>=3,<4
 yarl>=1,<2
 attrs>=20.1
-mautrix>=0.19.14,<0.20
+mautrix==0.20.0rc1
 asyncpg>=0.20,<0.28