diff --git a/.travis.yml b/.travis.yml
index f1491a3c..c87caec3 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,8 +1,6 @@
 language: php
 
 php:
-  - 5.5.9
-  - 5.5
   - 5.6
   - 7.0
   - 7.1