diff --git a/docs/upgrade.rst b/docs/upgrade.rst
index 0a20f3c83..5b549b2fe 100644
--- a/docs/upgrade.rst
+++ b/docs/upgrade.rst
@@ -15,4 +15,10 @@
 
 3. 升级 Luna
 
-重新下载 release 包（https://github.com/jumpserver/luna/releases）
\ No newline at end of file
+重新下载 release 包（https://github.com/jumpserver/luna/releases）
+
+4. 升级 guacamole
+
+:: 
+
+    $ docker pull registry.jumpserver.org/public/guacamole:latest