diff --git a/.travis.yml b/.travis.yml
index aa02ab53..5f80efa6 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,7 +1,5 @@
 language: php
 php:
-  - '5.4'
-  - '5.5'
   - '5.6'
   - '7.0'
   - '7.1'
@@ -25,7 +23,7 @@ matrix:
     - env: CHECK=phpcs
       php: '7.0'
     - env: CHECK=phpcs
-      php: '5.4'
+      php: '5.6'
   allow_failures:
     - php: nightly
     - php: '7.3'