diff --git a/OneClickDesktop.sh b/OneClickDesktop.sh
index 95a768d..9725ec2 100644
--- a/OneClickDesktop.sh
+++ b/OneClickDesktop.sh
@@ -19,14 +19,14 @@
 #You can change the Guacamole source file download link here.
 #Check https://guacamole.apache.org/releases/ for the latest stable version.
 
-GUACAMOLE_DOWNLOAD_LINK="https://mirrors.ocf.berkeley.edu/apache/guacamole/1.2.0/source/guacamole-server-1.2.0.tar.gz"
-GUACAMOLE_VERSION="1.2.0"
+GUACAMOLE_DOWNLOAD_LINK="https://mirrors.ocf.berkeley.edu/apache/guacamole/1.5.2/source/guacamole-server-1.5.2.tar.gz"
+GUACAMOLE_VERSION="1.5.2"
 
 #By default, this script only works on Ubuntu 18/20, Debian 10, and CentOS 7/8.
 #You can disable the OS check switch below and tweak the code yourself to try to install it in other OS versions.
 #Please do note that if you choose to use this script on OS other than Ubuntu 18/20, Debian 10, or CentOS 7/8, you might mess up your OS.  Please keep a backup of your server before installation.
 
-OS_CHECK_ENABLED=ON
+OS_CHECK_ENABLED=OFF