diff --git a/README.en.md b/README.en.md
index 64bc419db8b549e3b1aedb5d4230898d460bf278..104bafa7e432e8cfb178897903f9e2dc23a0d594 100644
--- a/README.en.md
+++ b/README.en.md
@@ -10,7 +10,7 @@ GCC version: 7.3.0 (required only in compilation scenarios)
 
 CMake version: 3.12.0 or later (required only in compilation scenarios)
 
-Python versions: 3.7.5 and 3.8.*x* (The compilation methods are different. For details, see the script compilation section.)
+Python versions: 3.7.5, 3.8.*x* and 3.9.*x* (PyTorch1.5 does not support python3.9.x)
 
 
 # System Dependencies
@@ -88,6 +88,9 @@ bash build.sh --python=3.7 (recommended)
 
 # Python 3.8
 bash build.sh --python=3.8
+
+# Python 3.9
+bash build.sh --python=3.9
 ```
 
 The generated binary package is in the **pytorch/pytorch/dist/** directory.
diff --git a/README.zh.md b/README.zh.md
index 2830204a87efb5c5406cd6825a6a449f9e2c4bac..02539b3ab72bfa99bb9444db8cc2ab18f8474d7b 100644
--- a/README.zh.md
+++ b/README.zh.md
@@ -10,8 +10,7 @@ gcc版本: 7.3.0（只在编译场景要求）
 
 cmake版本：3.12.0以上版本（只在编译场景要求）
 
-python版本：3.7.5 和 3.8.x（编译方法有差别，详见脚本编译章节）
-
+python版本：3.7.5、3.8.x、3.9.x（PyTorch1.5不支持python3.9.x）
 
 # 系统依赖库
 
@@ -99,6 +98,9 @@ bash build.sh --python=3.7（推荐）
 
 # python3.8版本
 bash build.sh --python=3.8
+
+# python3.9版本
+bash build.sh --python=3.9
 ```
 
 生成的二进制包在pytorch/pytorch/dist/目录下