diff --git a/coordinator/Dockerfile.coordinator b/coordinator/Dockerfile.coordinator
index 30af473..a1fea60 100644
--- a/coordinator/Dockerfile.coordinator
+++ b/coordinator/Dockerfile.coordinator
@@ -1,7 +1,7 @@
 # ---------------------------------------------------------------------------
 # Stage 1: Builder — compile Python packages with C extensions
 # ---------------------------------------------------------------------------
-FROM python:3.11-slim AS builder
+FROM python:3.14-slim AS builder
 
 RUN apt-get update && apt-get install -y --no-install-recommends \
     build-essential \
@@ -18,7 +18,7 @@ RUN pip install --no-cache-dir --upgrade "pip>=25.3,<26" "setuptools>=82,<83" "w
 # ---------------------------------------------------------------------------
 # Stage 2: Runtime — production image without build tools
 # ---------------------------------------------------------------------------
-FROM python:3.11-slim
+FROM python:3.14-slim
 
 # Runtime-only system dependency (no build-essential)
 RUN apt-get update && apt-get install -y --no-install-recommends \
diff --git a/coordinator/Dockerfile.worker b/coordinator/Dockerfile.worker
index 7ff6b80..db4ac03 100644
--- a/coordinator/Dockerfile.worker
+++ b/coordinator/Dockerfile.worker
@@ -2,7 +2,7 @@
 # All OCR models are baked into the image at build time for
 # deployment in air-gapped (no internet) environments.
 
-FROM python:3.11-slim-bookworm AS base
+FROM python:3.14-slim-bookworm AS base
 
 # System dependencies for OCR
 RUN apt-get update && apt-get install -y --no-install-recommends \
diff --git a/coordinator/Dockerfile.worker.layoutlm b/coordinator/Dockerfile.worker.layoutlm
index 13486f3..8b7f6d5 100644
--- a/coordinator/Dockerfile.worker.layoutlm
+++ b/coordinator/Dockerfile.worker.layoutlm
@@ -9,7 +9,7 @@
 #   docker build -f coordinator/Dockerfile.worker.layoutlm -t ocr-local/worker-layoutlm .
 #   docker build -f coordinator/Dockerfile.worker.layoutlm --build-arg USE_GPU=1 -t ocr-local/worker-layoutlm:gpu .
 
-FROM python:3.11-slim-bookworm AS base
+FROM python:3.14-slim-bookworm AS base
 
 # System dependencies (minimal — no OCR libs needed for LayoutLMv3)
 RUN apt-get update && apt-get install -y --no-install-recommends \
diff --git a/coordinator/Dockerfile.worker.nlp b/coordinator/Dockerfile.worker.nlp
index dc4fe68..5d1e53e 100644
--- a/coordinator/Dockerfile.worker.nlp
+++ b/coordinator/Dockerfile.worker.nlp
@@ -2,7 +2,7 @@
 # All OCR models are baked into the image at build time for
 # deployment in air-gapped (no internet) environments.
 
-FROM python:3.11-slim-bookworm AS base
+FROM python:3.14-slim-bookworm AS base
 
 # System dependencies for OCR
 RUN apt-get update && apt-get install -y --no-install-recommends \
diff --git a/coordinator/Dockerfile.worker.ocr b/coordinator/Dockerfile.worker.ocr
index 55282bd..9127e9c 100644
--- a/coordinator/Dockerfile.worker.ocr
+++ b/coordinator/Dockerfile.worker.ocr
@@ -2,7 +2,7 @@
 # All OCR models are baked into the image at build time for
 # deployment in air-gapped (no internet) environments.
 
-FROM python:3.11-slim-bookworm AS base
+FROM python:3.14-slim-bookworm AS base
 
 # System dependencies for OCR
 RUN apt-get update && apt-get install -y --no-install-recommends \