diff --git a/backend/Dockerfile b/backend/Dockerfile
index c11adfa..2fddef5 100644
--- a/backend/Dockerfile
+++ b/backend/Dockerfile
@@ -1,5 +1,5 @@
 # Use the official Node.js image
-FROM node:21
+FROM node:22.2-bookworm-slim
 
 # Set working directory
 WORKDIR /usr/src/app