diff --git a/backend/Dockerfile b/backend/Dockerfile
index bd6c2c7..dc40fc3 100644
--- a/backend/Dockerfile
+++ b/backend/Dockerfile
@@ -1,4 +1,4 @@
-FROM python:3.11-slim AS builder
+FROM docker.io/library/python:3.11-slim AS builder
 WORKDIR /build
 
 RUN apt-get update && apt-get install -y --no-install-recommends \
@@ -9,7 +9,7 @@ COPY requirements.txt .
 RUN pip wheel --no-cache-dir --no-deps -r requirements.txt -w /build/wheels
 
 
-FROM python:3.11-slim
+FROM docker.io/library/python:3.11-slim
 WORKDIR /app
 
 # ---- Build args (desde Jenkins) ----
diff --git a/frontend/Dockerfile b/frontend/Dockerfile
index 58ea81b..b453d1b 100644
--- a/frontend/Dockerfile
+++ b/frontend/Dockerfile
@@ -1,4 +1,4 @@
-FROM node:20-slim AS build
+FROM docker.io/library/node:20-slim AS build
 WORKDIR /app
 COPY package*.json ./
 ARG VITE_API_BASE
@@ -7,7 +7,7 @@ RUN npm install --no-progress
 COPY . .
 RUN npm run build
 
-FROM nginx:1.27-alpine AS final
+FROM docker.io/library/nginx:1.27-alpine AS final
 COPY nginx.conf /etc/nginx/conf.d/default.conf
 COPY --from=build /app/dist /usr/share/nginx/html/taller
 EXPOSE 8081