diff --git a/.travis.yml b/.travis.yml
index ffe32816..6aaf8f33 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -9,6 +9,7 @@ python:
   - "2.6"
   - "2.7"
 install:
+ - pip install pyOpenSSL
  - pip install pylint
  - pip install pyflakes
  - pip install pep8