diff --git a/.travis.yml b/.travis.yml
index 04c9228b..e6bb2338 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -4,6 +4,11 @@
 language: python
 sudo: false
 
+cache:
+  pip: true
+  directories:
+  - lib
+
 # Available Python versions:
 # http://about.travis-ci.org/docs/user/ci-environment/#Python-VM-images
 python: