--- a/bitbucket-pipelines.yml	Fri Aug 12 18:46:51 2016 +0800
+++ b/bitbucket-pipelines.yml	Fri Aug 12 18:58:38 2016 +0800
@@ -5,7 +5,7 @@
     - step:
         script:
           - apt-get update && apt-get install -y
-              build-essential python-dev python-virtualenv
+              build-essential libffi-dev python-dev python-virtualenv
           - virtualenv ./venv
           - ./venv/bin/pip install ansible
           - ansible --version