diff --git a/README.md b/README.md
index 9fbbf05..73ed046 100644
--- a/README.md
+++ b/README.md
@@ -7,12 +7,12 @@
 ## Download & Run
 
 ```
-wget https://github.com/nwtgck/piping-server-pkg/releases/download/v0.8.7/piping-server-macos
+wget https://github.com/nwtgck/piping-server-pkg/releases/download/v0.8.8/piping-server-macos
 chmod +x piping-server-macos
-./piping-server-macos
+./piping-server-macos --http-port=8888
 ```
 
-Then, a server is running on <http://localhost:8080>.  
+Then, a server is running on <http://localhost:8888>.  
 Other portable executables are found in [GitHub Releases](https://github.com/nwtgck/piping-server-pkg/releases).  
 
 ## Automation
diff --git a/piping-server b/piping-server
index cf42e98..29dc716 160000
--- a/piping-server
+++ b/piping-server
@@ -1 +1 @@
-Subproject commit cf42e983f6241220351d99af4c000c54432a3dac
+Subproject commit 29dc716d13c039aae74529f553a455dd12a0e327