diff --git a/DEVELOPMENT.md b/DEVELOPMENT.md
index e5ad2a1b1b..77ea3ceea1 100644
--- a/DEVELOPMENT.md
+++ b/DEVELOPMENT.md
@@ -116,6 +116,7 @@ Confirm that your `GOPATH` and `GOBIN` environment variables are correctly set a
 ```shell
 $ go version
 ```
+Note: go1.15 is required to build Milvus.
 
 #### Docker & Docker Compose