diff --git a/Dockerfile b/Dockerfile
index dd3de19..01328f7 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -15,7 +15,7 @@ RUN npm install
 COPY . .
 
 # Expose the port on which your Node.js application will run
-EXPOSE 3000
+EXPOSE 3420
 
 # Command to run the Node.js application
 CMD ["node", "."]