diff --git a/.travis.yml b/.travis.yml
index 30db62a..befe243 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -7,6 +7,7 @@ php:
   - 7.0
   - 7.1
   - 7.2
+  - 7.3
   - nightly
 matrix:
   fast_finish: true