diff --git a/.travis.yml b/.travis.yml
index d38b4db..b976561 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -3,6 +3,7 @@ language: php
 php:
   - 7.1
   - 7.2
+  - 7.3
 
 before_script:
   - composer install --dev --prefer-source --no-interaction