diff --git a/.travis.yml b/.travis.yml
index ab9621e..2ec2ce8 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -3,8 +3,9 @@ language: php
 sudo: false
 
 php:
+ - 5.3
+ - 5.4
  - 5.5
- - 5.6
 
 script:
  - vendor/bin/phpunit tests