diff --git a/.travis.yml b/.travis.yml
index d6a405768..8b85c6559 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,7 +1,7 @@
 language: php
 
 php:
- - 5.4
+ - 5.5
   
 before_script:
  - pecl install channel://pecl.php.net/pthreads-0.0.43