diff --git a/test/ci/debian:testing/Dockerfile b/test/ci/debian:testing/Dockerfile
index 9a1837083..13e3e7116 100644
--- a/test/ci/debian:testing/Dockerfile
+++ b/test/ci/debian:testing/Dockerfile
@@ -1,37 +1,37 @@
 FROM debian:testing
 MAINTAINER Nicolas Richart <nicolas.richart@epfl.ch>
 
 # library dependencies
 RUN apt-get -qq update && apt-get -qq -y install \
     g++ gfortran clang cmake \
     openmpi-bin libmumps-dev libscotch-dev \
     libboost-dev libopenblas-dev \
     python3 python3-dev python3-numpy python3-scipy python3-mpi4py \
     && rm -rf /var/lib/apt/lists/*
 
 # for documentation
 RUN apt-get -qq update && apt-get -qq -y install \
     python3-sphinx \
     python3-sphinxcontrib.bibtex \
     python3-sphinx-rtd-theme \
     python3-breathe \
     python3-git python3-jinja2 \
     doxygen graphviz \
     && rm -rf /var/lib/apt/lists/*
 
 # for ci
 RUN apt-get -qq update && apt-get -qq -y install \
-    gmsh python3-pytest python3-click python3-termcolor\
-    ccache clang-format python3-flake8 clang-tidy \
+    gmsh python3-pytest python3-click python3-termcolor \
+    ccache clang-format python3-flake8 python3-pip clang-tidy \
     curl git xsltproc jq \
     gcovr llvm binutils \
     && rm -rf /var/lib/apt/lists/*
 
-RUN pip install warning_parser
+RUN pip3 install warning_parser
 
 COPY .openmpi /root/.openmpi
 
 # for debug
 RUN apt-get -qq update && apt-get -qq -y install \
     gdb valgrind \
     && rm -rf /var/lib/apt/lists/*
diff --git a/test/ci/ubuntu:lts/Dockerfile b/test/ci/ubuntu:lts/Dockerfile
index 76835ab92..51f94b297 100644
--- a/test/ci/ubuntu:lts/Dockerfile
+++ b/test/ci/ubuntu:lts/Dockerfile
@@ -1,31 +1,31 @@
 FROM ubuntu:xenial
 MAINTAINER Nicolas Richart <nicolas.richart@epfl.ch>
 
 ENV TZ=Europe/Zurich
 RUN ln -snf /usr/share/zoneinfo/$TZ /etc/localtime && echo $TZ > /etc/timezone
 
 # Install akantu dependencies
 RUN apt-get -qq update && apt-get -qq -y install \
     g++ gfortran  cmake \
     openmpi-bin libmumps-dev libscotch-dev \
     libboost-dev libopenblas-dev libcgal-dev \
     python3 python3-dev python3-numpy python3-scipy python3-pip \
     && rm -rf /var/lib/apt/lists/*
 
 RUN pip3 install mpi4py
 
 # Install test utilities
 RUN apt-get -qq update && apt-get -qq -y install \
     python3-yaml python3-pytest python3-termcolor python3-click \
     ccache  gmsh curl git xsltproc \
     gcovr binutils \
     && rm -rf /var/lib/apt/lists/*
 
-RUN pip install warning_parser
+RUN pip3 install warning_parser
 
 COPY .openmpi /root/.openmpi
 
 # for debug
 RUN apt-get -qq update && apt-get -qq -y install \
     gdb valgrind \
     && rm -rf /var/lib/apt/lists/*