diff --git a/.travis.yml b/.travis.yml
index d403bac..b4c7141 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -4,5 +4,8 @@ php:
   - '5.5'
   - '5.6'
   - '7.0'
+  - '7.1'
+  - '7.2'
+  - '7.3'
 install:
   - composer install