diff --git a/.travis.yml b/.travis.yml
index e3731a8..700575c 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -6,6 +6,7 @@ php:
   - 7.0
   - 7.1
   - 7.2
+  - 7.3
   - hhvm
 
 # This triggers builds to run on the new TravisCI infrastructure.