diff --git a/apps/OpenSignServer/Dockerhubfile b/apps/OpenSignServer/Dockerhubfile
index 4f949aa1d..700fb692d 100644
--- a/apps/OpenSignServer/Dockerhubfile
+++ b/apps/OpenSignServer/Dockerhubfile
@@ -1,5 +1,5 @@
 # Use an official Node runtime as the base image
-FROM node:16
+FROM node:18
 
 # Set the working directory inside the container
 WORKDIR /usr/src/app