diff --git a/install.sh b/install.sh
index fa1130c..c65a809 100644
--- a/install.sh
+++ b/install.sh
@@ -1,5 +1,6 @@
 #!/bin/sh
 
+TARGET_TAG="v1.12.17-extended-1.5.3"
 API_URL="https://api.github.com/repos/shtorm-7/sing-box-extended/releases/latest"
 ARCHIVE_NAME="sing-box-latest.tar.gz"
 DEST_FILE="/usr/bin/sing-box"