diff --git a/docker/tests/Dockerfile b/docker/tests/Dockerfile
index 18ebe8e..66da9fa 100644
--- a/docker/tests/Dockerfile
+++ b/docker/tests/Dockerfile
@@ -13,52 +13,62 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+########################################################################
+
+FROM ubuntu:18.04 as INSTALL
+
+RUN DEBIAN_FRONTEND=noninteractive apt-get --yes update && \
+    DEBIAN_FRONTEND=noninteractive apt-get --yes install \
+    gcc=4:7.4.0-1ubuntu2.3 \
+    python3=3.6.7-1~18.04 \
+    python3-dev=3.6.7-1~18.04 \
+    python3-setuptools=39.0.1-2 \
+    curl=7.58.0-2ubuntu3.13 && \
+    python3 -m easy_install pip==21.0.1
+
+RUN DEBIAN_FRONTEND=noninteractive apt-get --yes install \
+    git=1:2.17.1-1ubuntu0.8 \
+    libcurl4-openssl-dev=7.58.0-2ubuntu3.13 \
+    libssl-dev=1.1.1-1ubuntu2.1~18.04.9
+
+ARG OSM_TESTS_URL
+ARG PYTHON3_OSM_IM_URL
+ARG PYTHON3_OSMCLIENT_URL
+
+RUN curl $PYTHON3_OSM_IM_URL -o osm_im.deb
+RUN dpkg -i ./osm_im.deb
+
+RUN curl $PYTHON3_OSMCLIENT_URL -o osmclient.deb
+RUN dpkg -i ./osmclient.deb
+
+RUN curl $OSM_TESTS_URL -o osm_tests.deb
+RUN dpkg -i ./osm_tests.deb
+
+
+RUN pip3 install \
+    -r /usr/lib/python3/dist-packages/osm_im/requirements.txt \
+    -r /usr/lib/python3/dist-packages/osmclient/requirements.txt \
+    -r /usr/share/osm-tests/requirements.txt
+
+RUN git clone \
+    https://osm.etsi.org/gitlab/vnf-onboarding/osm-packages.git \
+    --recurse-submodules \
+    /robot-systest/osm-packages
+
 FROM ubuntu:18.04
 
-RUN apt-get update && DEBIAN_FRONTEND=noninteractive apt-get -y install git software-properties-common \
-    curl xz-utils gnupg2 apt-transport-https make python3 debhelper python3-setuptools python3-pip apt-utils \
-    ssh iputils-ping libcurl4-openssl-dev libssl-dev python3-yaml \
-    build-essential libssl-dev libffi-dev python3-dev
-RUN add-apt-repository -y ppa:rmescandon/yq && apt update && apt install yq -y
+RUN DEBIAN_FRONTEND=noninteractive apt-get --yes update && \
+    DEBIAN_FRONTEND=noninteractive apt-get --yes install python3-minimal=3.6.7-1~18.04
 
-RUN python3 -m pip install --upgrade pip
+COPY --from=INSTALL /usr/lib/python3/dist-packages /usr/lib/python3/dist-packages
+COPY --from=INSTALL /usr/local/lib/python3.6/dist-packages  /usr/local/lib/python3.6/dist-packages
 
-RUN DEBIAN_FRONTEND=noninteractive apt-get install -y cargo rustc
-
-RUN python3 --version && python3 -m pip --version
-RUN rustc --version && cargo --version
-
-RUN python3 -m pip install --upgrade setuptools setuptools-rust
-
-RUN python3 -m pip install --ignore-installed pyyaml
-
-RUN python3 -m pip install --upgrade haikunator requests robotframework robotframework-seleniumlibrary \
-    robotframework-requests robotframework-jsonlibrary robotframework-sshlibrary charm-tools \
-    verboselogs pyangbind python-openstackclient
-
-ARG REPOSITORY_BASE=http://osm-download.etsi.org/repository/osm/debian
-ARG RELEASE=ReleaseNINE-daily
-ARG REPOSITORY_KEY=OSM%20ETSI%20Release%20Key.gpg
-ARG REPOSITORY=testing
-ARG TESTS_VERSION
-ARG IM_VERSION
-ARG OSMCLIENT_VERSION
-
-RUN curl ${REPOSITORY_BASE}/${RELEASE}/${REPOSITORY_KEY} | apt-key add -
-RUN add-apt-repository -y "deb ${REPOSITORY_BASE}/${RELEASE} ${REPOSITORY} tests osmclient IM" && apt-get update
-
-RUN apt-get install -y python3-osm-im${IM_VERSION} python3-osmclient${OSMCLIENT_VERSION}
-RUN apt-get install -y osm-tests${TESTS_VERSION} && \
-    rm -rf /var/lib/apt/lists/*
-
-RUN mv /usr/share/osm-tests/robot-systest /robot-systest
-RUN mv /usr/share/osm-tests/charm.sh /usr/sbin/charm
+COPY --from=INSTALL /usr/share/osm-tests/robot-systest /robot-systest
+COPY --from=INSTALL /usr/share/osm-tests/charm.sh /usr/sbin/charm
+COPY --from=INSTALL /robot-systest/osm-packages /robot-systest/osm-packages
 
 WORKDIR /robot-systest
 
-ARG CACHE_DATE=2021-03-01
-RUN git clone https://osm.etsi.org/gitlab/vnf-onboarding/osm-packages.git --recurse-submodules /robot-systest/osm-packages
-
 # Folder where Robot tests are stored
 ENV ROBOT_DEVOPS_FOLDER=/robot-systest