diff --git a/.travis.yml b/.travis.yml
index 3b741ba..c6ad38f 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,10 +1,10 @@
 language: php
 
 php:
-  - 5.5
   - 5.6
   - 7.0
   - 7.1
+  - 7.2
 
 # This triggers builds to run on the new TravisCI infrastructure.
 # See: http://docs.travis-ci.com/user/workers/container-based-infrastructure/