diff --git a/examples/016_tasks_handlers/demo/app/requirements.txt b/examples/016_tasks_handlers/demo/app/requirements.txt
index d51b4ef..93c347e 100644
--- a/examples/016_tasks_handlers/demo/app/requirements.txt
+++ b/examples/016_tasks_handlers/demo/app/requirements.txt
@@ -1,7 +1,7 @@
 click==7.1.2
 Flask==1.1.4
 Flask-SQLAlchemy==2.5.1
-greenlet==1.1.2
+greenlet==3.0.5
 itsdangerous==1.1.0
 Jinja2==2.11.3
 MarkupSafe==2.0.1
diff --git a/examples/016_tasks_handlers/roles/apache2/tasks/main.yml b/examples/016_tasks_handlers/roles/apache2/tasks/main.yml
index b40b53c..83854cb 100644
--- a/examples/016_tasks_handlers/roles/apache2/tasks/main.yml
+++ b/examples/016_tasks_handlers/roles/apache2/tasks/main.yml
@@ -27,6 +27,11 @@
 - name: initialize virtualenv
   command: python3 -m venv /var/www/demo/.venv creates=/var/www/demo/.venv
 
+- name: source virtualenv
+  shell: source /var/www/demo/.venv/bin/activate
+  args:
+    executable: /bin/bash
+
 - name: setup python virtualenv
   pip: requirements=/var/www/demo/requirements.txt virtualenv=/var/www/demo/.venv
   notify: restart apache2