diff --git a/.travis.yml b/.travis.yml
index 80bf878..4d14a0c 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,10 +1,9 @@
 language: php
 
 php:
-  - 5.5
-  - 5.6
-  - 7.0
   - 7.1
+  - 7.2
+  - 7.3
 
 # also test against HHVM, but require "trusty" and ignore errors
 matrix: