diff --git a/Dockerfile b/Dockerfile
index a695ccb..208c97f 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,7 +1,7 @@
 # syntax=docker/dockerfile:1
 
 # Stage 1: Builder stage
-FROM python:3.13-slim@sha256:d49c1ff87eb98eac346fc250f52925f726eb913c43a92854246dd03c9692ad67 AS builder
+FROM python:3.14.5-slim@sha256:c845af9399020c7e562969a13689e929074a10fd057acd1b1fad06a2fb068e97 AS builder
 
 WORKDIR /app
 
@@ -30,7 +30,7 @@ RUN if [ -n "${SETUPTOOLS_SCM_PRETEND_VERSION_FOR_PYPSA_APP}" ]; then \
     fi && uv sync --frozen --extra full --no-dev
 
 # Stage 2: Runtime stage (pypsa-app backend)
-FROM python:3.13-slim@sha256:d49c1ff87eb98eac346fc250f52925f726eb913c43a92854246dd03c9692ad67 AS backend
+FROM python:3.14.5-slim@sha256:c845af9399020c7e562969a13689e929074a10fd057acd1b1fad06a2fb068e97 AS backend
 
 WORKDIR /app