diff --git a/hack/allocate.sh b/hack/allocate.sh
index deaef14b9b..35a7ed5fa5 100755
--- a/hack/allocate.sh
+++ b/hack/allocate.sh
@@ -180,6 +180,9 @@ networking() {
     --type merge \
     --patch '{"data":{"ingress-class":"contour.ingress.networking.knative.dev"}}'
 
+  echo "Patching contour to prefer duals-tack"
+  kubectl patch -n contour-external svc/envoy --type merge --patch '{"spec":{"ipFamilyPolicy":"PreferDualStack"}}'
+
   $KUBECTL wait pod --for=condition=Ready -l '!job-name' -n contour-external --timeout=10m
   $KUBECTL wait pod --for=condition=Ready -l '!job-name' -n knative-serving --timeout=10m
   echo "${green}✅ Ingress${reset}"
diff --git a/hack/install-gitlab.sh b/hack/install-gitlab.sh
index cd470e8c3f..9854ea7395 100755
--- a/hack/install-gitlab.sh
+++ b/hack/install-gitlab.sh
@@ -70,6 +70,7 @@ spec:
         - name: GITLAB_OMNIBUS_CONFIG
           value: |
             external_url 'http://${gitlab_host}'
+            nginx['listen_addresses'] = ["0.0.0.0", "[::]"]
             gitlab_rails['gitlab_shell_ssh_port'] = 30022
             gitlab_rails['gitlab_email_enabled'] = false
             puma['worker_processes'] = 0