diff --git a/backend/Dockerfile b/backend/Dockerfile
index 56c6124..46fe1d4 100644
--- a/backend/Dockerfile
+++ b/backend/Dockerfile
@@ -1,7 +1,7 @@
 # Production Dockerfile for MotoVaultPro Backend
 
 # Stage 1: Build stage
-FROM node:20-alpine AS builder
+FROM node:lts-alpine AS builder
 
 # Install build dependencies
 RUN apk add --no-cache dumb-init git curl
@@ -22,7 +22,7 @@ COPY . .
 RUN npm run build
 
 # Stage 2: Production runtime
-FROM node:20-alpine AS production
+FROM node:lts-alpine AS production
 
 # Install runtime dependencies only
 RUN apk add --no-cache dumb-init curl
diff --git a/docker-compose.yml b/docker-compose.yml
index a680a1e..a707628 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -42,7 +42,7 @@ services:
       context: ./frontend
       dockerfile: Dockerfile
       cache_from:
-        - node:20-alpine
+        - node:lts-alpine
         - nginx:alpine
       args:
         VITE_AUTH0_DOMAIN: ${VITE_AUTH0_DOMAIN:-motovaultpro.us.auth0.com}
@@ -89,7 +89,7 @@ services:
       context: ./backend
       dockerfile: Dockerfile
       cache_from:
-        - node:20-alpine
+        - node:lts-alpine
     container_name: mvp-backend
     restart: unless-stopped
     environment:
diff --git a/docs/ARCHITECTURE-OVERVIEW.md b/docs/ARCHITECTURE-OVERVIEW.md
index b816fe5..6b3ea8f 100644
--- a/docs/ARCHITECTURE-OVERVIEW.md
+++ b/docs/ARCHITECTURE-OVERVIEW.md
@@ -133,7 +133,7 @@ MotoVaultPro is a single-tenant vehicle management application built with a **6-
 
 ### Frontend (React SPA)
 - **Technology**: React 18 + Vite + TypeScript
-- **Build**: Multi-stage Dockerfile (node:20-alpine → nginx:alpine)
+- **Build**: Multi-stage Dockerfile (node:lts-alpine → nginx:alpine)
 - **Port**: 3000 (internal)
 - **Networks**: frontend
 - **Dependencies**: Backend (API calls)
@@ -147,7 +147,7 @@ MotoVaultPro is a single-tenant vehicle management application built with a **6-
 
 ### Backend (Node.js API)
 - **Technology**: Node.js 20 + Fastify + TypeScript
-- **Build**: Production build in node:20-alpine
+- **Build**: Production build in node:lts-alpine
 - **Port**: 3001 (internal)
 - **Networks**: backend, database
 - **Dependencies**: PostgreSQL, Redis, Platform
diff --git a/frontend/Dockerfile b/frontend/Dockerfile
index b7054fe..c7959d7 100644
--- a/frontend/Dockerfile
+++ b/frontend/Dockerfile
@@ -1,7 +1,7 @@
 # Production Dockerfile for MotoVaultPro Frontend
 
 # Stage 1: Base with dependencies  
-FROM node:20-alpine AS base
+FROM node:lts-alpine AS base
 RUN apk add --no-cache dumb-init curl
 WORKDIR /app
 COPY package*.json ./