diff --git a/CHANGELOG.md b/CHANGELOG.md
index 60423ef..e40db2f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,9 @@
+## 1.2.3
+
+* fix: android build.gradle task by @einsitang in https://github.com/rainyl/opencv_dart/pull/226
+* fix: vector conversion by @rainyl in https://github.com/rainyl/opencv_dart/pull/229
+* remove the dependency of flutter
+
 ## 1.2.2
 
 * remove arm64 and x64 setup options for ios by @rainyl in https://github.com/rainyl/opencv_dart/pull/202
diff --git a/README.md b/README.md
index 4798388..b9edbf1 100644
--- a/README.md
+++ b/README.md
@@ -56,7 +56,6 @@ OpenCV Bindings for Dart Language. Support both asynchronous and synchronous!
       - [2. clone this repo](#2-clone-this-repo)
       - [3. compile](#3-compile)
       - [4. test](#4-test)
-      - [5. Cross-compile for linux aarch64](#5-cross-compile-for-linux-aarch64)
   - [Contributors](#contributors)
   - [Acknowledgement](#acknowledgement)
   - [Star History](#star-history)
@@ -264,11 +263,6 @@ or `$ENV:OPENCV_DART_LIB_PATH=$PWD\windows\opencv_dart.dll`
 - or append the lib path to the library search path of your system
 - If you want to test using vscode, add above variable to `"dart.env"` in `settings.json`
 
-#### 5. Cross-compile for linux aarch64
-
-Compiling for linux aarch64 requires GCC 13 and newer,
-conan toolchain for linux arm is located in [opencv.full](https://github.com/rainyl/opencv.full/tree/linux-aarch64/profiles), explore more there.
-
 ## Contributors
 
 <!-- readme: contributors,TotemaT -start -->
diff --git a/binary.version b/binary.version
index d2d61a7..e2cac26 100644
--- a/binary.version
+++ b/binary.version
@@ -1 +1 @@
-1.2.2
\ No newline at end of file
+1.2.3
\ No newline at end of file
diff --git a/pubspec.yaml b/pubspec.yaml
index cd3a57c..214dbeb 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,6 +1,6 @@
 name: opencv_dart
 description: "OpenCV4 bindings for Dart language and Flutter, using dart:ffi. The most complete OpenCV bindings for Dart! With asynchronous support now!"
-version: 1.2.2
+version: 1.2.3
 homepage: https://github.com/rainyl/opencv_dart
 
 environment: