diff --git a/Dockerfile b/Dockerfile
index f4a03fa..c228b08 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -19,7 +19,7 @@
 # ---------------------------------------------------------------------------
 # Stage 1: Build
 # ---------------------------------------------------------------------------
-FROM node:22-alpine@sha256:8ea2348b068a9544dae7317b4f3aafcdc032df1647bb7d768a05a5cad1a7683f AS build
+FROM node:26-alpine@sha256:e71ac5e964b9201072425d59d2e876359efa25dc96bb1768cb73295728d6e4ea AS build
 
 WORKDIR /build
 
@@ -41,7 +41,7 @@ RUN cd trader-service && npm ci && npm run build
 # ---------------------------------------------------------------------------
 # Stage 2: Runtime
 # ---------------------------------------------------------------------------
-FROM node:22-alpine@sha256:8ea2348b068a9544dae7317b4f3aafcdc032df1647bb7d768a05a5cad1a7683f
+FROM node:26-alpine@sha256:e71ac5e964b9201072425d59d2e876359efa25dc96bb1768cb73295728d6e4ea
 
 # tini handles PID-1 signal forwarding so SIGTERM from the host manager
 # triggers our graceful-shutdown handler instead of being swallowed.