diff --git a/.github/workflows/daily.yaml b/.github/workflows/daily.yaml
index f5b22c50e..c74c11930 100644
--- a/.github/workflows/daily.yaml
+++ b/.github/workflows/daily.yaml
@@ -12,9 +12,9 @@ jobs:
     strategy:
       matrix:
         runner: [mlu370-m8]
-        mlu_ops_version : [1.4.0]
+        mlu_ops_version : [1.4.1]
         cntoolkit_version : [3.15.2]
-        cnnl_version: [1.27.4]
+        cnnl_version: [1.28.0]
     runs-on: ${{matrix.runner}}
     steps:
       - uses: actions/checkout@v3
diff --git a/.github/workflows/mluops_ci.yaml b/.github/workflows/mluops_ci.yaml
index 5d2a7b5a1..395e074e8 100644
--- a/.github/workflows/mluops_ci.yaml
+++ b/.github/workflows/mluops_ci.yaml
@@ -39,7 +39,7 @@ jobs:
     strategy:
       matrix:
         runner: [mlu370-m8]
-        mlu_ops_version : [v1.4.0]
+        mlu_ops_version : [v1.4.1]
     runs-on: [yellow]
     steps:
       - uses: actions/checkout@v3
diff --git a/README.md b/README.md
index a1d8e75e5..9e4cf450c 100644
--- a/README.md
+++ b/README.md
@@ -49,8 +49,9 @@ MLU-OPS™提供了以下功能：
 ## 依赖条件
 
 - 操作系统：
-  - 支持 x86_64 架构下的 Ubuntu20.04、Centos7.6、Centos8.5、Kylin10
-  - MLU-OPS™ v1.0.0版本后将不再支持 Ubuntu18.04。Ubuntu22.04系统将在后续的版本提供支持。
+  - 支持 x86_64 架构下的 Ubuntu22.04、Centos7.6、Centos8.5、Kylin10
+  - MLU-OPS™ v1.0.0版本后将不再支持 Ubuntu18.04。
+  - MLU-OPS™ v1.4.1版本后将不再支持 Ubuntu20.04。
 - 寒武纪 MLU SDK：
   - 编译和运行时依赖 CNToolkit v3.15.2 或更高版本，CNNL v1.27.4 或者更高版本
 - 寒武纪 MLU 驱动：
diff --git a/build.property b/build.property
index 3351c140a..faaf3ea93 100644
--- a/build.property
+++ b/build.property
@@ -1,8 +1,8 @@
 {
-  "version": "1.4.0-1",
+  "version": "1.4.1-1",
   "python": "3.6.0",
   "build_requires": {"cntoolkit": ["release","3.15.2-1"],
-                     "cnnl":["release","1.27.4-1"],
+                     "cnnl":["release","1.28.0-1"],
                      "driver": "6.0.3",
                      "eigen3": "3.4.0",
                      "libxml2": "2.9.0",
diff --git a/docs/api_guide/update.rst b/docs/api_guide/update.rst
index 3c60f6b86..f6afd881c 100755
--- a/docs/api_guide/update.rst
+++ b/docs/api_guide/update.rst
@@ -3,6 +3,14 @@ Update History
 
 This section lists contents that were made for each product release.
 
+* V1.4.1
+
+  **Date:** December 5, 2024
+
+  **Changes:**
+
+  - None.
+
 * V1.4.0
 
   **Date:** November 29, 2024
diff --git a/docs/release_notes/mlu_ops.rst b/docs/release_notes/mlu_ops.rst
index 90cca642c..9766f0526 100644
--- a/docs/release_notes/mlu_ops.rst
+++ b/docs/release_notes/mlu_ops.rst
@@ -64,6 +64,24 @@ Cambricon MLU-OPS具有以下特点：
    +-----------------------------+------------------------+--------------------------------+
 
 
+v1.4.1
+-----------------
+
+特性变更
+~~~~~~~~~~~~~~~~~~~~~
+
+- 无。
+
+已修复问题
+~~~~~~~~~~~~~~~~~~~~~
+
+- 无。
+
+已知遗留问题
+~~~~~~~~~~~~~~~~~~~~~
+
+- 无。
+
 v1.4.0
 -----------------
 
diff --git a/docs/user_guide/2_update_history/index.rst b/docs/user_guide/2_update_history/index.rst
index 127da7bac..158f05b06 100644
--- a/docs/user_guide/2_update_history/index.rst
+++ b/docs/user_guide/2_update_history/index.rst
@@ -1,6 +1,13 @@
 更新历史
 ========
 
+* **V1.4.1**
+  **更新时间**：2024年12月5日
+
+  **更新内容**：
+
+  -  无算子更新。
+
 * **V1.4.0**
   **更新时间**：2024年11月29日
 
diff --git a/installer/centos7.5/SPECS/mluops-independent.spec b/installer/centos7.5/SPECS/mluops-independent.spec
index 92f8a6761..d9360e083 100644
--- a/installer/centos7.5/SPECS/mluops-independent.spec
+++ b/installer/centos7.5/SPECS/mluops-independent.spec
@@ -5,7 +5,7 @@
 
 Name: mluops
 Summary: The Machine Lerning Unit OPerators
-Version: 1.4.0
+Version: 1.4.1
 Release: 1%{?dist}
 License: Cambricon Release License
 Vendor: Cambricon Inc.
@@ -64,6 +64,8 @@ cp $RPM_SOURCE_DIR/neuware-env.conf $RPM_BUILD_ROOT/etc/ld.so.conf.d/
 %postun -p /sbin/ldconfig
 
 %changelog
+* Thu Dec 5 2024 Cambricon Software Team <service@cambricon.com>
+- release mluops v1.4.1
 * Thu Nov 29 2024 Cambricon Software Team <service@cambricon.com>
 - release mluops v1.4.0
 * Mon Oct 21 2024 Cambricon Software Team <service@cambricon.com>
diff --git a/installer/independent/debian/changelog b/installer/independent/debian/changelog
index 67ffb475d..82380f29f 100644
--- a/installer/independent/debian/changelog
+++ b/installer/independent/debian/changelog
@@ -1,8 +1,14 @@
+mluops (1.4.1-1.ubuntu16.04) xenial; urgency=medium
+
+  * Release mluops v1.4.1
+
+ -- Cambricon <service@cambricon.com>  Thu, 5 Dec 2024 00:00:00 +0100
+
 mluops (1.4.0-1.ubuntu16.04) xenial; urgency=medium
 
   * Release mluops v1.4.0
 
- -- Cambricon <service@cambricon.com>  Thu, 29 Nov 2024 00:00:00 +0100
+ -- Cambricon <service@cambricon.com>  Fri, 29 Nov 2024 00:00:00 +0100
 
 mluops (1.3.2-1.ubuntu16.04) xenial; urgency=medium
 
diff --git a/mlu_op.h b/mlu_op.h
index 5d8115c19..0dae7b1a4 100644
--- a/mlu_op.h
+++ b/mlu_op.h
@@ -29,7 +29,7 @@
 
 #define MLUOP_MAJOR 1
 #define MLUOP_MINOR 4
-#define MLUOP_PATCHLEVEL 0
+#define MLUOP_PATCHLEVEL 1
 /*********************************************************************************
  * MLUOP_VERSION is deprecated and not recommended. To get the version of MLUOP, use
  * MLUOP_MAJOR, MLUOP_MINOR and MLUOP_PATCHLEVEL.