diff --git a/.travis.yml b/.travis.yml
index 73eda8e6a..aeffb8fc0 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,5 +1,8 @@
 language: python
-cache: pip
+cache:
+  - pip
+  - directories:
+    - /opt/python
 sudo: true
 dist: xenial
 python: "3.7"