diff --git a/CHANGELOG.md b/CHANGELOG.md
index c5fc3510f..c037c2464 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,15 @@
 # Changelog
 
+## [1.2.34](https://github.com/ably/ably-flutter/tree/v1.2.34)
+
+[Full Changelog](https://github.com/ably/ably-flutter/compare/v1.2.33...v1.2.34)
+
+- Updated `ably-cocoa` dependency to `1.2.33`
+
+**Fixed bugs:**
+
+- The `title` field in the push notification should be nullable [\#532](https://github.com/ably/ably-flutter/issues/532)
+
 ## [1.2.33](https://github.com/ably/ably-flutter/tree/v1.2.33)
 
 [Full Changelog](https://github.com/ably/ably-flutter/compare/v1.2.32...v1.2.33)
diff --git a/README.md b/README.md
index b5e869d1e..20fd9ba4c 100644
--- a/README.md
+++ b/README.md
@@ -35,7 +35,7 @@ In `pubspec.yaml` file:
 
 ```yaml
 dependencies:
-  ably_flutter: ^1.2.33
+  ably_flutter: ^1.2.34
 ```
 
 ### Import the package
diff --git a/example/ios/Podfile.lock b/example/ios/Podfile.lock
index 1dfe96314..ef9d4a74e 100644
--- a/example/ios/Podfile.lock
+++ b/example/ios/Podfile.lock
@@ -1,9 +1,9 @@
 PODS:
-  - Ably (1.2.30):
+  - Ably (1.2.33):
     - AblyDeltaCodec (= 1.3.3)
     - msgpack (= 0.4.0)
-  - ably_flutter (1.2.33):
-    - Ably (= 1.2.30)
+  - ably_flutter (1.2.34):
+    - Ably (= 1.2.33)
     - Flutter
   - AblyDeltaCodec (1.3.3)
   - device_info_plus (0.0.1):
@@ -44,8 +44,8 @@ EXTERNAL SOURCES:
     :path: ".symlinks/plugins/fluttertoast/ios"
 
 SPEC CHECKSUMS:
-  Ably: 0022e87130c1a433cf63852ef09d0cdd7c19f028
-  ably_flutter: d5d27cbc629354c5bc52a6f83196bee44ecf3284
+  Ably: 1d78e5dec56db6d2cf91b10d14fea796ce591bae
+  ably_flutter: e4b2f440e48855dbbd94856f27fa73dc53f17e23
   AblyDeltaCodec: add5d06a756b3581b12aab5b5500a320b8c55bea
   device_info_plus: e5c5da33f982a436e103237c0c85f9031142abed
   Flutter: f04841e97a9d0b0a8025694d0796dd46242b2854
diff --git a/example/pubspec.lock b/example/pubspec.lock
index d14cf115e..fc44e4e11 100644
--- a/example/pubspec.lock
+++ b/example/pubspec.lock
@@ -7,7 +7,7 @@ packages:
       path: ".."
       relative: true
     source: path
-    version: "1.2.33"
+    version: "1.2.34"
   args:
     dependency: transitive
     description:
diff --git a/ios/ably_flutter.podspec b/ios/ably_flutter.podspec
index f81d71480..ee61af98f 100644
--- a/ios/ably_flutter.podspec
+++ b/ios/ably_flutter.podspec
@@ -18,7 +18,7 @@ Pod::Spec.new do |s|
   s.source_files = 'Classes/**/*'
   s.public_header_files = 'Classes/**/*.h'
   s.dependency 'Flutter'
-  s.dependency 'Ably', '1.2.30'
+  s.dependency 'Ably', '1.2.33'
   s.platform = :ios
   s.ios.deployment_target  = '10.0'
 
diff --git a/pubspec.yaml b/pubspec.yaml
index d2e39d912..89ccd6f17 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,6 +1,6 @@
 name: ably_flutter
 description: A wrapper around Ably's Cocoa and Java client library SDKs, providing iOS and Android support.
-version: 1.2.33
+version: 1.2.34
 repository: https://github.com/ably/ably-flutter
 
 environment:
diff --git a/test_integration/ios/Podfile.lock b/test_integration/ios/Podfile.lock
index 6dc8a6e5d..3e6102572 100644
--- a/test_integration/ios/Podfile.lock
+++ b/test_integration/ios/Podfile.lock
@@ -1,9 +1,9 @@
 PODS:
-  - Ably (1.2.30):
+  - Ably (1.2.33):
     - AblyDeltaCodec (= 1.3.3)
     - msgpack (= 0.4.0)
-  - ably_flutter (1.2.33):
-    - Ably (= 1.2.30)
+  - ably_flutter (1.2.34):
+    - Ably (= 1.2.33)
     - Flutter
   - AblyDeltaCodec (1.3.3)
   - Flutter (1.0.0)
@@ -26,8 +26,8 @@ EXTERNAL SOURCES:
     :path: Flutter
 
 SPEC CHECKSUMS:
-  Ably: 0022e87130c1a433cf63852ef09d0cdd7c19f028
-  ably_flutter: d5d27cbc629354c5bc52a6f83196bee44ecf3284
+  Ably: 1d78e5dec56db6d2cf91b10d14fea796ce591bae
+  ably_flutter: e4b2f440e48855dbbd94856f27fa73dc53f17e23
   AblyDeltaCodec: add5d06a756b3581b12aab5b5500a320b8c55bea
   Flutter: f04841e97a9d0b0a8025694d0796dd46242b2854
   msgpack: c85f6251873059738472ae136951cec5f30f3251
diff --git a/test_integration/pubspec.lock b/test_integration/pubspec.lock
index 94617c30e..6889d5a9a 100644
--- a/test_integration/pubspec.lock
+++ b/test_integration/pubspec.lock
@@ -15,7 +15,7 @@ packages:
       path: ".."
       relative: true
     source: path
-    version: "1.2.33"
+    version: "1.2.34"
   analyzer:
     dependency: transitive
     description: