diff --git a/.travis.yml b/.travis.yml
index 93867162cbe8d7db0d9c46c8c2c0a57c0c5fe01d..62b7190187a489f770cd93c64af38fb734bbdfa9 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,5 +1,6 @@
 language: php
 php:
+  - "5.6"
   - "5.5"
   - "5.4"
   - "5.3"