diff --git a/.travis.yml b/.travis.yml
index b4248e5..7b94169 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -3,7 +3,6 @@ sudo: false
 language: php
 
 php:
-  - 5.5
   - 5.6
   - 7.0
   - hhvm