diff --git a/.travis.yml b/.travis.yml
index 4eda8308..7248f11c 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -6,6 +6,7 @@ php:
     - 7.0
     - 7.1
     - 7.2
+    - 7.3
 
 before_install:
     # turn off XDebug