diff --git a/Jenkinsfile.sh b/Jenkinsfile.sh
index 710acdc..870f2b6 100644
--- a/Jenkinsfile.sh
+++ b/Jenkinsfile.sh
@@ -18,29 +18,19 @@ docker build -f ${WORKSPACE_ROOT}/projects/tricolour/docker/python310.docker -t
 tar xvf $TEST_DATA_DIR/acceptance_test_data.tar.gz -C $TEST_OUTPUT_DIR
 TEST_MS_REL=1519747221.subset.ms
 
-# test 3.6
+# test 3.8
 docker run \
     --rm \
     -v $TEST_OUTPUT_DIR:/testdata \
     --env TRICOLOUR_TEST_MS=/testdata/$TEST_MS_REL \
     --workdir /code \
     --entrypoint /bin/sh \
-    tricolour.1804.py36:${BUILD_NUMBER} \
+    tricolour.2004.py38:${BUILD_NUMBER} \
     -c "python3 -m pytest --flake8 -s -vvv ."
 
 rm -rf $TEST_OUTPUT_DIR/TEST_MS_REL
 tar xvf $TEST_DATA_DIR/acceptance_test_data.tar.gz -C $TEST_OUTPUT_DIR
 
-# test 3.8
-docker run \
-    --rm \
-    -v $TEST_OUTPUT_DIR:/testdata \
-    --env TRICOLOUR_TEST_MS=/testdata/$TEST_MS_REL \
-    --workdir /code \
-    --entrypoint /bin/sh \
-    tricolour.2004.py38:${BUILD_NUMBER} \
-    -c "python3 -m pytest --flake8 -s -vvv ."
-
 # test 3.10
 docker run \
     --rm \
@@ -49,4 +39,4 @@ docker run \
     --workdir /code \
     --entrypoint /bin/sh \
     tricolour.2204.py310:${BUILD_NUMBER} \
-    -c "python3 -m pytest --flake8 -s -vvv ."
\ No newline at end of file
+    -c "python3 -m pytest --flake8 -s -vvv ."
diff --git a/docker/python36.docker b/docker/python36.docker
deleted file mode 100644
index 899b5d5..0000000
--- a/docker/python36.docker
+++ /dev/null
@@ -1,19 +0,0 @@
-FROM kernsuite/base:6
-
-# Install base requirements
-RUN docker-apt-install python3-pip \
-                       build-essential \
-                       cmake \
-                       casacore-dev \
-                       python-numpy \
-                       python-setuptools \
-                       libboost-python-dev \
-                       libcfitsio-dev \
-                       wcslib-dev
-
-RUN pip3 install --upgrade pip setuptools
-ADD . /code
-WORKDIR /code
-
-# Install base + testing packages
-RUN pip3 install .[testing]
\ No newline at end of file