diff --git a/backend/Dockerfile b/backend/Dockerfile
index 4df2b9e..4903485 100644
--- a/backend/Dockerfile
+++ b/backend/Dockerfile
@@ -1,4 +1,4 @@
-FROM node:18-alpine AS base
+FROM node:26-alpine AS base
 
 # Install dumb-init for proper signal handling
 RUN apk add --no-cache dumb-init