diff --git a/mcp-server/Dockerfile b/mcp-server/Dockerfile
index 2d067c2..c1f6b3d 100644
--- a/mcp-server/Dockerfile
+++ b/mcp-server/Dockerfile
@@ -1,7 +1,7 @@
 # Transaction Forensics - MCP Server
 # Node.js 20 base image for MCP protocol server
 
-FROM node:20-alpine AS build
+FROM node:26-alpine AS build
 
 # Set environment variables
 ENV NODE_ENV=development
@@ -25,7 +25,7 @@ COPY src/ ./src/
 # Build TypeScript to JavaScript
 RUN npm run build
 
-FROM node:20-alpine AS runtime
+FROM node:26-alpine AS runtime
 
 ENV NODE_ENV=production \
     PORT=3000
diff --git a/mcp-server/Dockerfile.rfc b/mcp-server/Dockerfile.rfc
index 7a623a6..52f700b 100644
--- a/mcp-server/Dockerfile.rfc
+++ b/mcp-server/Dockerfile.rfc
@@ -17,7 +17,7 @@
 # Run:
 #   docker run -p 3000:3000 --env-file .env.rfc sap-workflow-mining-mcp-rfc
 
-FROM node:20-bookworm-slim
+FROM node:26-bookworm-slim
 
 # Set environment variables
 ENV NODE_ENV=production \