diff --git a/image/Dockerfile b/image/Dockerfile
index 610249f..0bb3fe5 100644
--- a/image/Dockerfile
+++ b/image/Dockerfile
@@ -1,5 +1,5 @@
 # 1 From Apline Linux
-FROM alpine:3.11
+FROM alpine:3.20.3
 
 # 2 Maintainer name
 LABEL maintainer="summer.gan@ringcentral.com"