diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index e01aeffc..16f62177 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -91,7 +91,7 @@ build_ubuntu_mpi:
   <<: *ubuntu
   stage: build
   script:
-    - docker build -t netgen_${CI_BUILD_REF_NAME}:${UBUNTU_VERSION} -f tests/dockerfile .
+    - docker build -t netgen_${CI_BUILD_REF_NAME}:${UBUNTU_VERSION} -f tests/dockerfile_mpi .
     - rm -f netgen_${CI_BUILD_REF_NAME}_$UBUNTU_VERSION.id_mpi
     - docker run --cidfile netgen_${CI_BUILD_REF_NAME}_${UBUNTU_VERSION}.id -e CCACHE_DIR=/ccache -v /mnt/ccache:/ccache netgen_${CI_BUILD_REF_NAME}:${UBUNTU_VERSION} bash /root/src/netgen/tests/build_mpi.sh
     - docker commit `cat netgen_${CI_BUILD_REF_NAME}_${UBUNTU_VERSION}.id` netgen_${CI_BUILD_REF_NAME}_installed:${UBUNTU_VERSION}
diff --git a/tests/dockerfile_mpi b/tests/dockerfile_mpi
new file mode 100644
index 00000000..ddb7e51b
--- /dev/null
+++ b/tests/dockerfile_mpi
@@ -0,0 +1,5 @@
+FROM ubuntu:18.04
+ENV DEBIAN_FRONTEND=noninteractive
+MAINTAINER Matthias Hochsteger <matthias.hochsteger@tuwien.ac.at>
+RUN apt-get update && apt-get -y install python3 libpython3-dev libxmu-dev tk-dev tcl-dev cmake git g++ libglu1-mesa-dev ccache python3-pytest python3-numpy python3-tk clang-tidy python3-distutils clang libopenmpi-dev openmpi-bin gfortran
+ADD . /root/src/netgen