diff --git a/services/mock_server/Dockerfile b/services/mock_server/Dockerfile
index 6d72bf569899e6512254be59539231c0fb49b338..541395da8c166d2603a241b7cb2e1aa348fdd8c7 100644
--- a/services/mock_server/Dockerfile
+++ b/services/mock_server/Dockerfile
@@ -1,5 +1,5 @@
 # start by pulling the python image
-FROM python:3.10.0-alpine
+FROM labs.etsi.org:5050/ocf/capif/python:3-alpine
 
 # copy the requirements file into the image
 COPY ./requirements.txt /app/requirements.txt
diff --git a/tools/robot/Dockerfile b/tools/robot/Dockerfile
index a94c4b25da6d0cf588a05534de4478fc03791dbb..a7e18f87e260e8ad840cc867c2352c1dacfc4582 100644
--- a/tools/robot/Dockerfile
+++ b/tools/robot/Dockerfile
@@ -1,4 +1,4 @@
-FROM ubuntu:20.04
+FROM labs.etsi.org:5050/ocf/capif/ubuntu:20.04
 LABEL maintainer="Jorge Moratinos Salcines <jorge.moratinossalcines@telefonica.com>"
 LABEL version="2.0"
 LABEL description="Docker to run Robot Framework"