diff --git a/.travis.yml b/.travis.yml
index b740082..97859a3 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,12 +1,12 @@
 language: php
 
 php:
-  - 5.4
-  - 5.5
   - 5.6
   - 7.0
   - 7.1
   - 7.2
+  - 7.3
+  - 7.4
 
 sudo: false
 dist: trusty