diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2ef69f61..fb5d7f97 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,6 +3,8 @@
 Breaking changes:
 
 * Make `avatar_url` in `r0::profile::set_avatar_url::Request` an `Option`
+* Update type of `canonical_alias` in `r0::directory::PublicRoomsChunk` from
+  `Option<String>` to `Option<RoomAliasId>`
 
 # 0.9.0
 
diff --git a/src/r0/directory.rs b/src/r0/directory.rs
index 9e8a1099..16a3664e 100644
--- a/src/r0/directory.rs
+++ b/src/r0/directory.rs
@@ -16,7 +16,7 @@ pub struct PublicRoomsChunk {
 
     /// The canonical alias of the room, if any.
     #[serde(skip_serializing_if = "Option::is_none")]
-    pub canonical_alias: Option<String>,
+    pub canonical_alias: Option<RoomAliasId>,
 
     /// The name of the room, if any.
     #[serde(skip_serializing_if = "Option::is_none")]