diff --git a/install/singbox.sh b/install/singbox.sh
index ace3f9b..1769a1e 100644
--- a/install/singbox.sh
+++ b/install/singbox.sh
@@ -2,7 +2,7 @@
 appName="Sing Box"
 debArch=$(uname -m)
 transArch=$debArch
-targetVer="1.2.6"
+targetVer=${INSTALL_VER:-1.3.0}
 case $debArch in
 	"x86_64" | "amd64")
 		transArch="amd64"
diff --git a/install/xray.sh b/install/xray.sh
index 4fbfe96..775413e 100644
--- a/install/xray.sh
+++ b/install/xray.sh
@@ -26,7 +26,11 @@ if [ -e "./xray.zip" ] ; then
 	cp ./xray.zip $PREFIX/opt/xray/
 else
 	echo "Downloading xray..."
-	curl -sLo $PREFIX/opt/xray/xray.zip https://github.com/XTLS/Xray-core/releases/latest/download/Xray-linux-$transArch.zip
+	if [ "$INSTALL_VER" != "" ] ; then
+		curl -sLo $PREFIX/opt/xray/xray.zip https://github.com/XTLS/Xray-core/releases/download/v${INSTALL_VER}/Xray-linux-$transArch.zip
+	else
+		curl -sLo $PREFIX/opt/xray/xray.zip https://github.com/XTLS/Xray-core/releases/latest/download/Xray-linux-$transArch.zip
+	fi
 fi
 echo "Extracting archive..."
 cd $PREFIX/opt/xray/