diff --git a/test/centos.Dockerfile b/test/centos.Dockerfile
index 00543b67..7444551b 100644
--- a/test/centos.Dockerfile
+++ b/test/centos.Dockerfile
@@ -1,4 +1,4 @@
-FROM centos:7
+FROM centos:8
 
 ENV GITDIR /etc/.pihole
 ENV SCRIPTDIR /opt/pihole
diff --git a/test/centos7.Dockerfile b/test/centos7.Dockerfile
new file mode 100644
index 00000000..00543b67
--- /dev/null
+++ b/test/centos7.Dockerfile
@@ -0,0 +1,16 @@
+FROM centos:7
+
+ENV GITDIR /etc/.pihole
+ENV SCRIPTDIR /opt/pihole
+
+RUN mkdir -p $GITDIR $SCRIPTDIR /etc/pihole
+ADD . $GITDIR
+RUN cp $GITDIR/advanced/Scripts/*.sh $GITDIR/gravity.sh $GITDIR/pihole $GITDIR/automated\ install/*.sh $SCRIPTDIR/
+ENV PATH /usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:$SCRIPTDIR
+
+RUN true && \
+    chmod +x $SCRIPTDIR/*
+
+ENV PH_TEST true
+
+#sed '/# Start the installer/Q' /opt/pihole/basic-install.sh > /opt/pihole/stub_basic-install.sh && \
diff --git a/test/conftest.py b/test/conftest.py
index 5b8be41e..69926eaf 100644
--- a/test/conftest.py
+++ b/test/conftest.py
@@ -69,7 +69,7 @@ def args(request):
     return '-t -d'
 
 
-@pytest.fixture(params=['debian', 'centos', 'fedora'])
+@pytest.fixture(params=['debian', 'centos7', 'centos', 'fedora'])
 def tag(request):
     '''
     consumed by image to make the test matrix
diff --git a/test/test_000_build_containers.py b/test/test_000_build_containers.py
index 184052f3..0f3e2d1a 100644
--- a/test/test_000_build_containers.py
+++ b/test/test_000_build_containers.py
@@ -9,6 +9,7 @@ run_local = testinfra.get_backend(
 
 @pytest.mark.parametrize("image,tag", [
     ('test/debian.Dockerfile', 'pytest_pihole:debian'),
+    ('test/centos7.Dockerfile', 'pytest_pihole:centos7'),
     ('test/centos.Dockerfile', 'pytest_pihole:centos'),
     ('test/fedora.Dockerfile', 'pytest_pihole:fedora'),
 ])
diff --git a/test/test_centos_fedora_support.py b/test/test_centos_fedora_support.py
index 4b405920..e0d25634 100644
--- a/test/test_centos_fedora_support.py
+++ b/test/test_centos_fedora_support.py
@@ -123,7 +123,7 @@ def test_enable_epel_repository_centos(Pihole):
     assert epel_package.is_installed
 
 
-@pytest.mark.parametrize("tag", [('centos'), ])
+@pytest.mark.parametrize("tag", [('centos7'), ('centos8'), ])
 def test_php_upgrade_default_optout_centos(Pihole):
     '''
     confirms the default behavior to opt-out of installing PHP7 from REMI
@@ -139,7 +139,7 @@ def test_php_upgrade_default_optout_centos(Pihole):
     assert not remi_package.is_installed
 
 
-@pytest.mark.parametrize("tag", [('centos'), ])
+@pytest.mark.parametrize("tag", [('centos7'), ('centos8'), ])
 def test_php_upgrade_user_optout_centos(Pihole):
     '''
     confirms installer behavior when user opt-out of installing PHP7 from REMI
@@ -158,7 +158,7 @@ def test_php_upgrade_user_optout_centos(Pihole):
     assert not remi_package.is_installed
 
 
-@pytest.mark.parametrize("tag", [('centos'), ])
+@pytest.mark.parametrize("tag", [('centos7'), ('centos8'), ])
 def test_php_upgrade_user_optin_centos(Pihole):
     '''
     confirms installer behavior when user opt-in to installing PHP7 from REMI
@@ -181,7 +181,7 @@ def test_php_upgrade_user_optin_centos(Pihole):
     assert remi_package.is_installed
 
 
-@pytest.mark.parametrize("tag", [('centos'), ])
+@pytest.mark.parametrize("tag", [('centos7'), ('centos8'), ])
 def test_php_version_lt_7_detected_upgrade_default_optout_centos(Pihole):
     '''
     confirms the default behavior to opt-out of upgrading to PHP7 from REMI
diff --git a/tox.ini b/tox.ini
index 346ca886..49c99066 100644
--- a/tox.ini
+++ b/tox.ini
@@ -5,6 +5,7 @@ envlist = py37
 whitelist_externals = docker
 deps = -rrequirements.txt
 commands = docker build -f test/debian.Dockerfile -t pytest_pihole:debian .
+           docker build -f test/centos7.Dockerfile -t pytest_pihole:centos7 .
            docker build -f test/centos.Dockerfile -t pytest_pihole:centos .
            docker build -f test/fedora.Dockerfile -t pytest_pihole:fedora .
            pytest {posargs:-vv -n auto} -m "not build_stage" ./test/