diff --git a/Dockerfile b/Dockerfile
index 99776b5..9c9fd8e 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,6 +1,6 @@
 FROM alpine:latest
 
-ENV VER_XRAY 1.8.8
+ENV VER_XRAY 1.8.13
 
 # install packages
 RUN set -xe && apk add --no-cache unzip wget openssl python3 py3-jinja2 supervisor apache2-utils bash libqrencode libqrencode-tools