diff --git a/chat-android/src/main/java/com/ably/chat/EventTypes.kt b/chat-android/src/main/java/com/ably/chat/EventTypes.kt
index 91a13aa..666dc3d 100644
--- a/chat-android/src/main/java/com/ably/chat/EventTypes.kt
+++ b/chat-android/src/main/java/com/ably/chat/EventTypes.kt
@@ -25,8 +25,6 @@ object PubSubMessageNames {
 }
 
 internal val messageActionNameToAction = mapOf(
-    /** Represents a message with no action set. */
-    "message.unset" to MessageAction.MESSAGE_UNSET,
 
     /** Action applied to a new message. */
     "message.create" to MessageAction.MESSAGE_CREATE,
@@ -37,14 +35,11 @@ internal val messageActionNameToAction = mapOf(
     /** Action applied to a deleted message. */
     "message.delete" to MessageAction.MESSAGE_DELETE,
 
-    /** Action applied to a new annotation. */
-    "annotation.create" to MessageAction.ANNOTATION_CREATE,
-
-    /** Action applied to a deleted annotation. */
-    "annotation.delete" to MessageAction.ANNOTATION_DELETE,
-
     /** Action applied to a meta occupancy message. */
     "meta.occupancy" to MessageAction.META_OCCUPANCY,
+
+    /** Action applied to a message summary. */
+    "message.summary" to MessageAction.MESSAGE_SUMMARY,
 )
 
 /**
diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index 284c228..a25fb4f 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -2,7 +2,7 @@
 # https://docs.gradle.org/current/userguide/platforms.html#sub::toml-dependencies-format
 
 [versions]
-ably = "1.2.47"
+ably = "1.2.48"
 junit = "4.13.2"
 agp = "8.5.2"
 detekt = "1.23.6"