diff --git a/docker/README.md b/docker/README.md
index ff12f5b7e3eeeef9fc5475bf43907f03648da133..3ca6e033d8c1ffa20a985e1846672a0e0840b47f 100644
--- a/docker/README.md
+++ b/docker/README.md
@@ -1,9 +1,9 @@
 
 **NOTE**: `Dockerfile.aarch64` is not working for now.
 
-## Build the docker image
+## Build the docker image with `v0.6.3`
 ```
-docker build -f Dockerfile.x86_64 . -t simple-http-server
+docker build --build-arg BRANCH=v0.6.3 -f Dockerfile.x86_64 . -t simple-http-server
 ```
 
 ## Run the docker image