diff --git a/.travis.yml b/.travis.yml
index c4f482d757f..a75cf6685d3 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,6 +1,9 @@
 sudo: false
 language: python
-cache: pip
+cache:
+  directories:
+    - $HOME/.cache/pip
+    # - "$HOME/virtualenv/python$TRAVIS_PYTHON_VERSION"
 python:
   - 3.4
   - 3.5