diff --git a/roles/ci/templates/jenkins-slave-centos.docker b/roles/ci/templates/jenkins-slave-centos.docker
index 370b843..494aef1 100644
--- a/roles/ci/templates/jenkins-slave-centos.docker
+++ b/roles/ci/templates/jenkins-slave-centos.docker
@@ -1,55 +1,62 @@
 # This Dockerfile is used to build an image containing basic stuff to be used as a Jenkins slave build node.
 FROM centos:7
 MAINTAINER Jean-Baptiste Aubort <jean-baptiste.aubort@epfl.ch>
 
 # Make sure the package repository is up to date.
 RUN yum update -y
 
 # Install need packages
 RUN yum install -y \
    sudo \
    gcc \
    gcc-c++ \
    gcc-gfortran \
    make \
    cmake \
    openssl-devel \
    git \
    subversion \
    mercurial \
    php-cli \
    php-curl \
+   epel-release \
+   libffi-devel \
+   openssl-devel \
+   python-devel \
    maven
 
+RUN yum update -y && yum install -y python2-pip
+
+
 # Install a basic SSH server
 RUN yum install -y openssh-server
 RUN ssh-keygen -A
 RUN sed -i 's|session    required     pam_loginuid.so|session    optional     pam_loginuid.so|g' /etc/pam.d/sshd
 RUN mkdir -p /var/run/sshd
 
 # Install JDK 7 (latest edition)
 RUN yum install -y java-1.7.0-openjdk
 
 # Add user jenkins to the image
 RUN adduser jenkins
 RUN usermod -a -G wheel jenkins
 RUN echo "jenkins:jenkins" | chpasswd
 RUN sed -i -e 's/# %wheel/%wheel/g' /etc/sudoers
 
 # Jenkins
 RUN mkdir /home/jenkins/workspace
 RUN chown jenkins.jenkins /home/jenkins/workspace
 
 # Phabricator API
 RUN cd /opt; \
     git clone https://github.com/phacility/arcanist.git; \
     git clone https://github.com/phacility/libphutil.git; \
     ln -s /opt/arcanist/bin/arc /usr/local/bin/arc
 
 # Clean
 RUN yum clean all
 
 # Standard SSH port
 EXPOSE 22
 
 CMD ["/usr/sbin/sshd", "-D"]
diff --git a/roles/ci/templates/jenkins-slave-ubuntu.docker b/roles/ci/templates/jenkins-slave-ubuntu.docker
index fcf007a..1afe4e1 100644
--- a/roles/ci/templates/jenkins-slave-ubuntu.docker
+++ b/roles/ci/templates/jenkins-slave-ubuntu.docker
@@ -1,56 +1,60 @@
 # This Dockerfile is used to build an image containing basic stuff to be used as a Jenkins slave build node.
 FROM ubuntu:trusty
 MAINTAINER Jean-Baptiste Aubort <jean-baptiste.aubort@epfl.ch>
 
 # Make sure the package repository is up to date.
 RUN apt-get update
 RUN apt-get -y upgrade
 
 # Install need packages
 RUN apt-get update && apt-get -y install \
     bash-completion \
     build-essential \
     gfortran \
     cmake \
     git \
     subversion \
     mercurial \
     php5-cli \
     php5-curl \
+    python-pip \
+    python-dev \
+    libffi-dev \
+    libssl-dev \
     maven
 
 # Remove uneeded packages
 RUN apt-get -y purge libgl1-mesa-dri
 
 # Install a basic SSH server
 RUN apt-get update && apt-get -y install openssh-server
 RUN sed -i 's|session    required     pam_loginuid.so|session    optional     pam_loginuid.so|g' /etc/pam.d/sshd
 RUN mkdir -p /var/run/sshd
 
 # Install JDK 7 (latest edition)
 RUN apt-get update && apt-get -y install openjdk-7-jdk
 
 # Add user jenkins to the image
 RUN adduser --quiet jenkins
 RUN adduser --quiet jenkins sudo
 RUN echo "jenkins:jenkins" | chpasswd
 RUN echo '%sudo ALL=(ALL) NOPASSWD:ALL' >> /etc/sudoers
 
 # Jenkins
 RUN mkdir /home/jenkins/workspace
 RUN chown jenkins.jenkins /home/jenkins/workspace
 
 # Phabricator API
 RUN cd /opt; \
     git clone https://github.com/phacility/arcanist.git; \
     git clone https://github.com/phacility/libphutil.git; \
     ln -s /opt/arcanist/bin/arc /usr/local/bin/arc
 
 # Clean
 RUN apt-get clean
 RUN rm -rf /var/lib/apt/lists/*
 
 # Standard SSH port
 EXPOSE 22
 
 CMD ["/usr/sbin/sshd", "-D"]