diff --git a/android/build.gradle b/android/build.gradle
index 1833d727c..9b294845d 100644
--- a/android/build.gradle
+++ b/android/build.gradle
@@ -47,7 +47,7 @@ dependencies {
   if (isDev(project)) {
     implementation fileTree(dir: "libs", include: ["*.jar"])
   } else {
-    api 'io.agora.rtc:iris-rtc:4.1.1.21-banban.1'
+    api 'io.agora.rtc:iris-rtc:4.1.1.21-banban.3'
     api 'io.agora.rtc:agora-special-full:4.1.1.21'
     api 'io.agora.rtc:full-screen-sharing:4.1.1.21'
   }
diff --git a/ios/agora_rtc_engine.podspec b/ios/agora_rtc_engine.podspec
index f791393e5..77c6583c0 100644
--- a/ios/agora_rtc_engine.podspec
+++ b/ios/agora_rtc_engine.podspec
@@ -17,7 +17,7 @@ Pod::Spec.new do |s|
   s.source           = { :path => '.' }
   s.source_files = 'Classes/**/*.{h,mm,m,swift}'
   s.dependency 'Flutter'
-  s.dependency 'AgoraIrisRTC_iOS', '4.1.1.21-banban.1'
+  s.dependency 'AgoraIrisRTC_iOS', '4.1.1.21-banban.3'
   s.dependency 'AgoraRtcEngine_Special_iOS', '4.1.1.21'
   # s.dependency 'AgoraRtcWrapper'
   s.platform = :ios, '9.0'
diff --git a/macos/agora_rtc_engine.podspec b/macos/agora_rtc_engine.podspec
index b4741362c..41e4381dc 100644
--- a/macos/agora_rtc_engine.podspec
+++ b/macos/agora_rtc_engine.podspec
@@ -17,7 +17,7 @@ A new flutter plugin project.
   s.dependency 'FlutterMacOS'
   #   s.dependency 'AgoraRtcWrapper'
   s.dependency 'AgoraRtcEngine_macOS', '4.1.0'
-  s.dependency 'AgoraIrisRTC_macOS', '4.1.1.21-banban.1'
+  s.dependency 'AgoraIrisRTC_macOS', '4.1.1.21-banban.3'
 
   s.platform = :osx, '10.11'
   s.pod_target_xcconfig = { 'DEFINES_MODULE' => 'YES' }
diff --git a/pubspec.yaml b/pubspec.yaml
index adfc54236..d406805e0 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -2,7 +2,7 @@ name: agora_rtc_engine
 description: >-
   Flutter plugin of Agora RTC SDK, allow you to simply integrate Agora Video
   Calling or Live Video Streaming to your app with just a few lines of code.
-version: 6.1.1-sp.41121.b.2
+version: 6.1.1-sp.41121.b.3
 homepage: https://www.agora.io
 repository: https://github.com/AgoraIO-Extensions/Agora-Flutter-SDK/tree/main
 environment:
diff --git a/scripts/artifacts_version.sh b/scripts/artifacts_version.sh
index 68b1ea3b2..c967822b1 100644
--- a/scripts/artifacts_version.sh
+++ b/scripts/artifacts_version.sh
@@ -1,6 +1,6 @@
 set -e
 
-export IRIS_CDN_URL_ANDROID="https://download.agora.io/sdk/release/iris_4.1.1.21-banban.1_DCG_Android_Video_20231114_0339.zip"
-export IRIS_CDN_URL_IOS="https://download.agora.io/sdk/release/iris_4.1.1.21-banban.1_DCG_iOS_Video_20231114_0339.zip"
-export IRIS_CDN_URL_MACOS="https://download.agora.io/sdk/release/iris_4.1.1.21-banban.1_DCG_Mac_Video_20231114_0339.zip"
-export IRIS_CDN_URL_WINDOWS="https://download.agora.io/sdk/release/iris_4.1.1.21-banban.1_DCG_Windows_Video_20231114_0339.zip"
+export IRIS_CDN_URL_ANDROID="https://download.agora.io/sdk/release/iris_4.1.1.21-banban.3_DCG_Android_Video_20231201_1249.zip"
+export IRIS_CDN_URL_IOS="https://download.agora.io/sdk/release/iris_4.1.1.21-banban.3_DCG_iOS_Video_20231201_1251.zip"
+export IRIS_CDN_URL_MACOS="https://download.agora.io/sdk/release/iris_4.1.1.21-banban.3_DCG_Mac_Video_20231201_1254.zip"
+export IRIS_CDN_URL_WINDOWS="https://download.agora.io/sdk/release/iris_4.1.1.21-banban.3_DCG_Windows_Video_20231201_1249.zip"
diff --git a/windows/CMakeLists.txt b/windows/CMakeLists.txt
index f709a5ad5..5aa44b024 100644
--- a/windows/CMakeLists.txt
+++ b/windows/CMakeLists.txt
@@ -12,8 +12,8 @@ project(${PROJECT_NAME} LANGUAGES CXX)
 # not be changed
 set(PLUGIN_NAME "agora_rtc_engine_plugin")
 
-set(IRIS_SDK_DOWNLOAD_URL "https://download.agora.io/sdk/release/iris_4.1.1.21-banban.1_DCG_Windows_Video_20231114_0339.zip")
-set(IRIS_SDK_DOWNLOAD_NAME "iris_4.1.1.21-banban.1_DCG_Windows")
+set(IRIS_SDK_DOWNLOAD_URL "https://download.agora.io/sdk/release/iris_4.1.1.21-banban.3_DCG_Windows_Video_20231201_1249.zip")
+set(IRIS_SDK_DOWNLOAD_NAME "iris_4.1.1.21-banban.3_DCG_Windows")
 set(RTC_SDK_DOWNLOAD_NAME "Agora_Native_SDK_for_Windows_FULL")
 set(IRIS_SDK_VERSION "v3_6_2_fix.1")