1 files changed, 2 insertions, 0 deletions

diff --git a/.travis.yml b/.travis.yml
index 310d8e0..75d9fab 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,5 +1,7 @@
 language: php
 php:
+  - 5.6
+  - 5.5
   - 5.4
   - 5.3
 script: phpunit --coverage-text