diff --git a/README-ja.md b/README-ja.md
index 1d836d9a8e..1f95951693 100644
--- a/README-ja.md
+++ b/README-ja.md
@@ -38,7 +38,7 @@ If you are using other Linux distributions, we strongly recommend that you use t
 
 The following describes the compilation methods in the two environments.
 
-## 1. Compiled using Ubuntu 20.04
+## 1. Compiled using Ubuntu 22.04
 
 ### Packages to be installed
 
diff --git a/README-zh.md b/README-zh.md
index a82a672692..91ba7f49f6 100644
--- a/README-zh.md
+++ b/README-zh.md
@@ -38,7 +38,7 @@ Milk-V Duo 是一个基于 CV1800B 芯片的超紧凑嵌入式开发平台。它
 
 以下分别介绍两种环境下的编译方法。
 
-## 一、使用 Ubuntu 20.04 编译
+## 一、使用 Ubuntu 22.04 编译
 
 ### 安装编译依赖的工具包
 
diff --git a/README.md b/README.md
index 9ca4d495a3..e729fbdf06 100644
--- a/README.md
+++ b/README.md
@@ -38,7 +38,7 @@ If you are using other Linux distributions, we strongly recommend that you use t
 
 The following describes the compilation methods in the two environments.
 
-## 1. Compiled using Ubuntu 20.04
+## 1. Compiled using Ubuntu 22.04
 
 ### Packages to be installed