diff --git a/apps/OpenSign/Dockerhubfile b/apps/OpenSign/Dockerhubfile
index aff6748d2..5d0b5bb7f 100644
--- a/apps/OpenSign/Dockerhubfile
+++ b/apps/OpenSign/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