diff --git a/.travis.yml b/.travis.yml
index 20ed7066..bac7281f 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -7,6 +7,11 @@ python:
 cache:
   directories:
     - node_modules
+    - .pip_download_cache
+    - "$HOME/virtualenv/python2.7.9"
+env:
+  global:
+    - PIP_DOWNLOAD_CACHE=".pip_download_cache"
 install:
   - make develop dev-postgres
 before_script: