diff --git a/backend/Dockerfile b/backend/Dockerfile
index ef96f586..118bbf0e 100644
--- a/backend/Dockerfile
+++ b/backend/Dockerfile
@@ -1,5 +1,5 @@
-# Use latest Node.js LTS Alpine image (updated for security)
-FROM node:20-alpine
+# Use Node.js 22 Alpine image to match package.json engines requirement
+FROM node:22-alpine
 
 WORKDIR /app
 
diff --git a/frontend/Dockerfile b/frontend/Dockerfile
index 4edad983..f5a0ef89 100644
--- a/frontend/Dockerfile
+++ b/frontend/Dockerfile
@@ -1,4 +1,4 @@
-FROM node:20-alpine
+FROM node:22-alpine
 
 # Set working directory
 WORKDIR /app