diff --git a/README.md b/README.md
index 1ddc6a78c..e4a7c1404 100644
--- a/README.md
+++ b/README.md
@@ -48,7 +48,7 @@ Swag converts Go annotations to Swagger Documentation 2.0. We've created a varie
 ```sh
 $ go get -u github.com/swaggo/swag/cmd/swag
 ```
-To build from source you need [Go](https://golang.org/dl/) (1.9 or newer).
+To build from source you need [Go](https://golang.org/dl/) (1.13 or newer).
 
 Or download a pre-compiled binary from the [release page](https://github.com/swaggo/swag/releases).
 
diff --git a/README_zh-CN.md b/README_zh-CN.md
index fc8edac0e..b93b35a43 100644
--- a/README_zh-CN.md
+++ b/README_zh-CN.md
@@ -49,7 +49,7 @@ Swag将Go的注释转换为Swagger2.0文档。我们为流行的 [Go Web Framewo
 go get -u github.com/swaggo/swag/cmd/swag
 ```
 
-从源码开始构建的话，需要有Go环境（1.9及以上版本）。
+从源码开始构建的话，需要有Go环境（1.13及以上版本）。
 
 或者从github的release页面下载预编译好的二进制文件。