diff --git a/.travis.yml b/.travis.yml
index 04b34fc..6038996 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -5,6 +5,9 @@ addons:
 
 language: php
 php:
+  - 7.3
+  - 7.2
+  - 7.1
   - 7.0
   - 5.6