From 4e0b1ca93b19d8a6baa2c61b5f29daf6d2b52f36 Mon Sep 17 00:00:00 2001
From: yuhan6665 <1588741+yuhan6665@users.noreply.github.com>
Date: Sat, 25 Jun 2022 20:59:09 -0400
Subject: [PATCH] Update README.md

---
 README.md | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/README.md b/README.md
index c30b647..eb5974b 100644
--- a/README.md
+++ b/README.md
@@ -42,6 +42,12 @@ Notice: Xray will NOT log to `/var/log/xray/*.log` by default. Configure `"log"`
 
 ## Advance
 
+**Install & Upgrade Xray-core to a pre-release version**
+
+```
+# bash -c "$(curl -L https://github.com/XTLS/Xray-install/raw/main/install-release.sh)" @ install --version 1.5.8
+```
+
 **Install & Upgrade Xray-core and geodata with `User=root`, which will overwrite `User` in existing service files**
 
 ```