diff --git a/.travis.yml b/.travis.yml
index 824920e..1f5c1fd 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -5,6 +5,7 @@ language: php
 php:
   - 7.1
   - 7.2
+  - 7.3
 
 before_install:
   - nvm install 8