diff --git a/.travis.yml b/.travis.yml
index 79d7f4c..7bc2233 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -7,6 +7,10 @@ php:
   - 7.1
   - hhvm
 
+cache:
+  directories:
+    - $HOME/.composer/cache/files
+
 matrix:
   fast_finish: true
   include: