diff --git a/intercom_flutter/CHANGELOG.md b/intercom_flutter/CHANGELOG.md
index 8b3b591..ea1b35f 100755
--- a/intercom_flutter/CHANGELOG.md
+++ b/intercom_flutter/CHANGELOG.md
@@ -3,6 +3,7 @@
 ## 8.1.1
 
 * Bump Intercom Android SDK version to 15.6.3
+* Bump Intercom iOS SDK version to 16.5.9
 
 ## 8.1.0
 
diff --git a/intercom_flutter/README.md b/intercom_flutter/README.md
index af5eae5..a3f9ac6 100755
--- a/intercom_flutter/README.md
+++ b/intercom_flutter/README.md
@@ -8,7 +8,7 @@ Flutter wrapper for Intercom [Android](https://github.com/intercom/intercom-andr
 - Uses Intercom Android SDK Version `15.6.3`.
 - The minimum Android SDK `minSdk` required is 21.
 - The compile Android SDK `compileSdk` required is 34.
-- Uses Intercom iOS SDK Version `16.5.6`.
+- Uses Intercom iOS SDK Version `16.5.9`.
 - The minimum iOS target version required is 13.
 - The Xcode version required is 15.
 
diff --git a/intercom_flutter/ios/intercom_flutter.podspec b/intercom_flutter/ios/intercom_flutter.podspec
index 70989c7..13e71bc 100644
--- a/intercom_flutter/ios/intercom_flutter.podspec
+++ b/intercom_flutter/ios/intercom_flutter.podspec
@@ -17,6 +17,6 @@ A new flutter plugin project.
   s.dependency 'Flutter'
   s.dependency 'Intercom'
   s.static_framework = true
-  s.dependency 'Intercom', '16.5.6'
+  s.dependency 'Intercom', '16.5.9'
   s.ios.deployment_target = '13.0'
 end