diff --git a/docker/backend/Dockerfile b/docker/backend/Dockerfile
index d3f7de93..eb49f6e3 100644
--- a/docker/backend/Dockerfile
+++ b/docker/backend/Dockerfile
@@ -1,4 +1,4 @@
-FROM python:3.13-slim
+FROM python:3.14-slim
 
 WORKDIR /app
 
diff --git a/docker/base-image/Dockerfile b/docker/base-image/Dockerfile
index c0593b18..6b310c0f 100644
--- a/docker/base-image/Dockerfile
+++ b/docker/base-image/Dockerfile
@@ -2,7 +2,7 @@
 # slim). This eliminates the dependency on ppa:deadsnakes/ppa, which has
 # no SLA and historically blocked deployment of critical agent-runtime
 # fixes for days at a time when the PPA was unreachable. See #658.
-FROM python:3.13-slim-bookworm
+FROM python:3.14-slim-bookworm
 
 # Version tracking - set at build time via --build-arg VERSION=x.y.z
 ARG VERSION=latest
diff --git a/docker/frontend/Dockerfile b/docker/frontend/Dockerfile
index b99603f7..299a38ac 100644
--- a/docker/frontend/Dockerfile
+++ b/docker/frontend/Dockerfile
@@ -1,4 +1,4 @@
-FROM node:24-alpine
+FROM node:26-alpine
 
 WORKDIR /app
 
diff --git a/docker/frontend/Dockerfile.prod b/docker/frontend/Dockerfile.prod
index 72cb830e..96f1a362 100644
--- a/docker/frontend/Dockerfile.prod
+++ b/docker/frontend/Dockerfile.prod
@@ -2,7 +2,7 @@
 # Multi-stage build: npm build → nginx serving static assets
 
 # Stage 1: Build
-FROM node:24-alpine AS builder
+FROM node:26-alpine AS builder
 
 WORKDIR /app
 
diff --git a/docker/scheduler/Dockerfile b/docker/scheduler/Dockerfile
index 90162bf0..6c9b49d6 100644
--- a/docker/scheduler/Dockerfile
+++ b/docker/scheduler/Dockerfile
@@ -1,7 +1,7 @@
 # Trinity Scheduler Service Dockerfile
 # Standalone scheduler for agent task execution
 
-FROM python:3.13-slim
+FROM python:3.14-slim
 
 # Set working directory
 WORKDIR /app