diff --git a/images/netbox-mcp-server/Dockerfile b/images/netbox-mcp-server/Dockerfile
index c9f07b6..74b7e83 100644
--- a/images/netbox-mcp-server/Dockerfile
+++ b/images/netbox-mcp-server/Dockerfile
@@ -11,7 +11,7 @@ ARG NETBOX_MCP_VERSION=1.0.0
 # -----------------------------------------------------------------------------
 # Stage 1: Builder
 # -----------------------------------------------------------------------------
-FROM python:3.14-alpine3.23 AS builder
+FROM python:3.13-alpine3.21 AS builder
 
 ARG NETBOX_MCP_VERSION
 
@@ -20,6 +20,7 @@ RUN apk add --no-cache git \
     && pip install --root-user-action=ignore --no-cache-dir uv
 
 ENV UV_LINK_MODE=copy
+ENV UV_PYTHON_PREFERENCE=only-system
 
 WORKDIR /app
 
@@ -34,7 +35,7 @@ RUN --mount=type=cache,target=/root/.cache/uv \
 # -----------------------------------------------------------------------------
 # Stage 2: Runtime
 # -----------------------------------------------------------------------------
-FROM python:3.14-alpine3.23
+FROM python:3.13-alpine3.21
 
 LABEL maintainer="Damien Arnodo"
 LABEL org.opencontainers.image.title="NetBox MCP Server"