diff --git a/AblyChat.xcworkspace/xcshareddata/swiftpm/Package.resolved b/AblyChat.xcworkspace/xcshareddata/swiftpm/Package.resolved
index 9cffb1ec..74c3fc81 100644
--- a/AblyChat.xcworkspace/xcshareddata/swiftpm/Package.resolved
+++ b/AblyChat.xcworkspace/xcshareddata/swiftpm/Package.resolved
@@ -1,13 +1,13 @@
 {
-  "originHash" : "fcc346d6fe86e610ac200cdbbf91c56204df67286546d5079bd9c610ee65953b",
+  "originHash" : "6a8d15fb1d326ac6e8a40c286c152332146d6f58c73123cb8083f68d483dd728",
   "pins" : [
     {
       "identity" : "ably-cocoa",
       "kind" : "remoteSourceControl",
       "location" : "https://github.com/ably/ably-cocoa",
       "state" : {
-        "revision" : "7f639c609e50053abd4590f34333f9472645558a",
-        "version" : "1.2.33"
+        "branch" : "main",
+        "revision" : "ccca241a8a7f08b22a93802161460c843d9b5bf3"
       }
     },
     {
diff --git a/Example/AblyChatExample/Mocks/MockRealtime.swift b/Example/AblyChatExample/Mocks/MockRealtime.swift
index 067e8f69..0d3d48c1 100644
--- a/Example/AblyChatExample/Mocks/MockRealtime.swift
+++ b/Example/AblyChatExample/Mocks/MockRealtime.swift
@@ -3,6 +3,10 @@ import AblyChat
 
 /// A mock implementation of `RealtimeClientProtocol`. It only exists so that we can construct an instance of `DefaultChatClient` without needing to create a proper `ARTRealtime` instance (which we can’t yet do because we don’t have a method for inserting an API key into the example app). TODO remove this once we start building the example app
 final class MockRealtime: NSObject, RealtimeClientProtocol, Sendable {
+    func request(_: String, path _: String, params _: [String: String]?, body _: Any?, headers _: [String: String]?, callback _: @escaping ARTHTTPPaginatedCallback) throws {
+        fatalError("Not implemented")
+    }
+
     var device: ARTLocalDevice {
         fatalError("Not implemented")
     }
@@ -32,6 +36,10 @@ final class MockRealtime: NSObject, RealtimeClientProtocol, Sendable {
     }
 
     final class Channel: RealtimeChannelProtocol {
+        var properties: ARTChannelProperties {
+            fatalError("Not implemented")
+        }
+
         var state: ARTRealtimeChannelState {
             fatalError("Not implemented")
         }
diff --git a/Package.resolved b/Package.resolved
index 9cffb1ec..03ddbb80 100644
--- a/Package.resolved
+++ b/Package.resolved
@@ -1,13 +1,13 @@
 {
-  "originHash" : "fcc346d6fe86e610ac200cdbbf91c56204df67286546d5079bd9c610ee65953b",
+  "originHash" : "db24f2979451a46f504f45d35893eb8501f27488ae70e1412340139a0e7551e2",
   "pins" : [
     {
       "identity" : "ably-cocoa",
       "kind" : "remoteSourceControl",
       "location" : "https://github.com/ably/ably-cocoa",
       "state" : {
-        "revision" : "7f639c609e50053abd4590f34333f9472645558a",
-        "version" : "1.2.33"
+        "branch" : "main",
+        "revision" : "ccca241a8a7f08b22a93802161460c843d9b5bf3"
       }
     },
     {
diff --git a/Package.swift b/Package.swift
index fc233cd2..14f5e281 100644
--- a/Package.swift
+++ b/Package.swift
@@ -20,7 +20,8 @@ let package = Package(
     dependencies: [
         .package(
             url: "https://github.com/ably/ably-cocoa",
-            from: "1.2.0"
+            // TODO: Switch back to using a tag (https://github.com/ably-labs/ably-chat-swift/issues/80)
+            branch: "main"
         ),
         .package(
             url: "https://github.com/apple/swift-argument-parser",
diff --git a/Sources/AblyChat/AblyCocoaExtensions/Ably+Dependencies.swift b/Sources/AblyChat/AblyCocoaExtensions/Ably+Dependencies.swift
index b193a9fe..ae17fde3 100644
--- a/Sources/AblyChat/AblyCocoaExtensions/Ably+Dependencies.swift
+++ b/Sources/AblyChat/AblyCocoaExtensions/Ably+Dependencies.swift
@@ -1,10 +1,7 @@
 import Ably
 
-// TODO: remove "@unchecked Sendable" once https://github.com/ably/ably-cocoa/issues/1962 done
+extension ARTRealtime: RealtimeClientProtocol {}
 
-// This @retroactive is needed to silence the Swift 6 compiler error "extension declares a conformance of imported type 'ARTRealtimeChannels' to imported protocol 'Sendable'; this will not behave correctly if the owners of 'Ably' introduce this conformance in the future (…) add '@retroactive' to silence this warning". I don’t fully understand the implications of this but don’t really mind since both libraries are in our control.
-extension ARTRealtime: RealtimeClientProtocol, @retroactive @unchecked Sendable {}
+extension ARTRealtimeChannels: RealtimeChannelsProtocol {}
 
-extension ARTRealtimeChannels: RealtimeChannelsProtocol, @retroactive @unchecked Sendable {}
-
-extension ARTRealtimeChannel: RealtimeChannelProtocol, @retroactive @unchecked Sendable {}
+extension ARTRealtimeChannel: RealtimeChannelProtocol {}