diff --git a/neutron/tests/api/requirements.txt b/neutron/tests/api/requirements.txt
new file mode 100644
index 00000000000..6aae510d74d
--- /dev/null
+++ b/neutron/tests/api/requirements.txt
@@ -0,0 +1,7 @@
+# Additional requirements for api tests
+
+# The order of packages is significant, because pip processes them in the order
+# of appearance. Changing the order has an impact on the overall integration
+# process, which may cause wedges in the gate later.
+
+tempest>=10.0.0  # Apache-2.0
diff --git a/tools/tox_install.sh b/tools/tox_install.sh
index 70357748b97..32145ed28e8 100755
--- a/tools/tox_install.sh
+++ b/tools/tox_install.sh
@@ -9,10 +9,7 @@
 # from neutron master via a hard-coded URL. That last case should only
 # happen with devs running unit tests locally.
 
-ZUUL_CLONER=/usr/zuul-env/bin/zuul-cloner
-tempest_installed=$(python -c "import tempest" 2>/dev/null ; echo $?)
-
-set -e
+set -eux
 
 install_cmd="pip install"
 
@@ -23,19 +20,4 @@ if [ "$CONSTRAINTS_FILE" != "unconstrained" ]; then
     install_cmd="$install_cmd -c$CONSTRAINTS_FILE"
 fi
 
-if [ $tempest_installed -eq 0 ]; then
-    echo "Tempest already installed; using existing package"
-elif [ -x "$ZUUL_CLONER" ]; then
-    export ZUUL_BRANCH=${ZUUL_BRANCH-$BRANCH}
-    pushd /tmp
-    $ZUUL_CLONER --cache-dir \
-        /opt/git \
-        git://git.openstack.org \
-        openstack/tempest
-    $install_cmd -e openstack/tempest
-    popd
-else
-    $install_cmd -U -egit+https://git.openstack.org/openstack/tempest#egg=tempest
-fi
-
 $install_cmd -U $*
diff --git a/tox.ini b/tox.ini
index 3ebd364a817..9869cada393 100644
--- a/tox.ini
+++ b/tox.ini
@@ -24,6 +24,9 @@ setenv = {[testenv]setenv}
          OS_TEST_PATH=./neutron/tests/api
          TEMPEST_CONFIG_DIR={env:TEMPEST_CONFIG_DIR:/opt/stack/tempest/etc}
          OS_TEST_API_WITH_REST=1
+deps =
+  {[testenv]deps}
+  -r{toxinidir}/neutron/tests/api/requirements.txt
 
 [testenv:common]
 # Fake job to define environment variables shared between dsvm/non-dsvm jobs