diff --git a/.github/workflows/backend-ncnn.yml b/.github/workflows/backend-ncnn.yml
index 76c0d96c7..e0c811835 100644
--- a/.github/workflows/backend-ncnn.yml
+++ b/.github/workflows/backend-ncnn.yml
@@ -2,11 +2,19 @@ name: backend-ncnn
 
 on:
   push:
+    branches:
+      - main
+      - master
+      - dev-1.x
     paths-ignore:
       - "demo/**"
       - "tools/**"
 
   pull_request:
+    branches:
+      - main
+      - master
+      - dev-1.x
     paths-ignore:
       - "demo/**"
       - "tools/**"
diff --git a/docs/en/01-how-to-build/android.md b/docs/en/01-how-to-build/android.md
index a644db205..304b5c0b3 100644
--- a/docs/en/01-how-to-build/android.md
+++ b/docs/en/01-how-to-build/android.md
@@ -77,9 +77,9 @@ export OPENCV_ANDROID_SDK_DIR=${PWD}/OpenCV-android-sdk
   <tr>
     <td>ncnn </td>
     <td>A high-performance neural network inference computing framework supporting for android.</br>
-  <b> Now, MMDeploy supports 20220721 and has to use <code>git clone</code> to download it. For supported android ABI, see <a href='https://github.com/Tencent/ncnn/releases'> here </a>. </b><br>
+  <b> Now, MMDeploy supports 20221128 and has to use <code>git clone</code> to download it. For supported android ABI, see <a href='https://github.com/Tencent/ncnn/releases'> here </a>. </b><br>
 <pre><code>
-git clone -b 20220721 https://github.com/Tencent/ncnn.git
+git clone -b 20221128 https://github.com/Tencent/ncnn.git
 cd ncnn
 git submodule update --init
 export NCNN_DIR=${PWD}
diff --git a/docs/en/01-how-to-build/cross_build_ncnn_aarch64.md b/docs/en/01-how-to-build/cross_build_ncnn_aarch64.md
index c63b898ec..11524f96d 100644
--- a/docs/en/01-how-to-build/cross_build_ncnn_aarch64.md
+++ b/docs/en/01-how-to-build/cross_build_ncnn_aarch64.md
@@ -64,7 +64,7 @@ ls -alh /tmp/ocv-aarch64
 c) Cross build ncnn and install to /tmp/ncnn-aarch64
 
 ```bash
-git clone https://github.com/tencent/ncnn --branch 20220729 --depth=1
+git clone https://github.com/tencent/ncnn --branch 20221128 --depth=1
 mkdir build && cd build
 cmake .. \
   -DCMAKE_TOOLCHAIN_FILE=../toolchains/aarch64-linux-gnu.toolchain.cmake \
diff --git a/docs/zh_cn/01-how-to-build/android.md b/docs/zh_cn/01-how-to-build/android.md
index 868b79d12..5fbd29d82 100644
--- a/docs/zh_cn/01-how-to-build/android.md
+++ b/docs/zh_cn/01-how-to-build/android.md
@@ -77,10 +77,10 @@ export OPENCV_ANDROID_SDK_DIR=${PWD}/OpenCV-android-sdk
   <tr>
     <td>ncnn </td>
     <td>ncnn 是支持 android 平台的高效神经网络推理计算框架</br>
-  <b> 目前, MMDeploy 支持 ncnn 的 20220721 版本, 且必须使用<code>git clone</code> 下载源码的方式安装。请到 <a href='https://github.com/Tencent/ncnn/releases'> 这里 </a> 查询 ncnn 支持的 android ABI。</b><br>
+  <b> 目前, MMDeploy 支持 ncnn 的 20221128 版本, 且必须使用<code>git clone</code> 下载源码的方式安装。请到 <a href='https://github.com/Tencent/ncnn/releases'> 这里 </a> 查询 ncnn 支持的 android ABI。</b><br>
 
 <pre><code>
-git clone -b 20220721 https://github.com/Tencent/ncnn.git
+git clone -b 20221128 https://github.com/Tencent/ncnn.git
 cd ncnn
 git submodule update --init
 export NCNN_DIR=${PWD}
diff --git a/docs/zh_cn/01-how-to-build/cross_build_ncnn_aarch64.md b/docs/zh_cn/01-how-to-build/cross_build_ncnn_aarch64.md
index a84ef54b6..154e5e28f 100644
--- a/docs/zh_cn/01-how-to-build/cross_build_ncnn_aarch64.md
+++ b/docs/zh_cn/01-how-to-build/cross_build_ncnn_aarch64.md
@@ -64,7 +64,7 @@ ls -alh /tmp/ocv-aarch64
 c) 交叉编译 ncnn 安装到 tmp 目录
 
 ```bash
-git clone https://github.com/tencent/ncnn --branch 20220729 --depth=1
+git clone https://github.com/tencent/ncnn --branch 20221128 --depth=1
 mkdir build && cd build
 cmake .. \
   -DCMAKE_TOOLCHAIN_FILE=../toolchains/aarch64-linux-gnu.toolchain.cmake \
diff --git a/tools/scripts/build_ubuntu_x64_ncnn.py b/tools/scripts/build_ubuntu_x64_ncnn.py
index f50e4b90e..0dd187fc3 100644
--- a/tools/scripts/build_ubuntu_x64_ncnn.py
+++ b/tools/scripts/build_ubuntu_x64_ncnn.py
@@ -60,7 +60,7 @@ def install_pyncnn(dep_dir):
     # git clone
     if not os.path.exists('ncnn'):
         os.system(
-            'git clone --depth 1 --branch 20220729  https://github.com/tencent/ncnn && cd ncnn'  # noqa: E501
+            'git clone --depth 1 --branch 20221128 https://github.com/tencent/ncnn && cd ncnn'  # noqa: E501
         )
 
     ncnn_dir = os.path.join(dep_dir, 'ncnn')
diff --git a/tools/scripts/ubuntu_cross_build_aarch64.sh b/tools/scripts/ubuntu_cross_build_aarch64.sh
index 01d08e0c1..456920340 100755
--- a/tools/scripts/ubuntu_cross_build_aarch64.sh
+++ b/tools/scripts/ubuntu_cross_build_aarch64.sh
@@ -43,7 +43,7 @@ build_ocv() {
 
 build_ncnn() {
   if [ ! -e "ncnn" ];then
-    git clone https://github.com/tencent/ncnn --branch 20220729 --depth=1
+    git clone https://github.com/tencent/ncnn --branch 20221128 --depth=1
   fi
   if [ ! -e "ncnn/build_aarch64" ];then
     mkdir -p ncnn/build_aarch64