diff --git a/.travis.yml b/.travis.yml
index 81d0776..fb1a5c8 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -30,6 +30,10 @@ install:
 script:
   - composer test-units
 
+cache:
+  directories:
+    - $HOME/.composer/cache
+
 jobs:
   include:
     - stage: Code Style and Static Analysis