diff --git a/group_vars/web/web.yml b/group_vars/web/web.yml
index 37dc3e7..21afff1 100644
--- a/group_vars/web/web.yml
+++ b/group_vars/web/web.yml
@@ -4,6 +4,7 @@ port_mapping:
   prometheus: 9090
   alertmanager: 9093
   node: 9100
+  blackbox: 9115
 
 # TODO(paulfantom): reenable when https://github.com/caddy-ansible/caddy-ansible/issues/13 is fixed
 caddy_update: false
diff --git a/molecule/test-requirements.txt b/molecule/test-requirements.txt
index 0c3d332..9262fc9 100644
--- a/molecule/test-requirements.txt
+++ b/molecule/test-requirements.txt
@@ -1,8 +1,8 @@
-ansible>=2.10.0,<3.0.0
+ansible>=5.1.0
 jmespath
 git-lfs
 ansible-lint
-molecule>=3.0.0
+molecule==3.4.1
 molecule-docker
 docker
 ansible-lint>=3.4.0
diff --git a/playbooks/files/index.html b/playbooks/files/index.html
index 6fff6b6..715ce88 100644
--- a/playbooks/files/index.html
+++ b/playbooks/files/index.html
@@ -80,6 +80,21 @@ <h1>Prometheus</h1>
           </div>
         </div>
       </div>    
+      <div class="row">
+        <div class="col-6 my-4">
+          <div class="card text-center text-white bg-secondary">
+            <div class="card-header">
+              <a href="https://github.com/prometheus/blackbox_exporter" class="text-white">Blackbox exporter <i class="fab fa-github"></i></a>
+            </div>
+            <div class="card-body">
+              <a href="https://galaxy.ansible.com/cloudalchemy/blackbox-exporter"><img src="https://img.shields.io/badge/ansible%20role-cloudalchemy.blackbox_exporter-blue.svg" alt="Blackbox exporter ansible role"/></a><br>
+            </div>
+            <div class="card-footer">
+              <a href="https://blackbox.demo.do.prometheus.io" class="btn btn-dark">Open demo</a>
+            </div>
+          </div>
+        </div>
+      </div>
       <div class="row">
         <div class="col-lg-12 my-12">
           <div class="card text-center text-white bg-secondary">