diff --git a/.travis.yml b/.travis.yml
index f1bd310..67bef66 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,10 +1,8 @@
 language: php
 
 php:
-  - 5.6
-  - 7.0
-  - 7.1
   - 7.2
+  - 7.3
 
 before_install:
   - sudo locale-gen de_DE.UTF-8 es_ES.UTF-8 en_GB.UTF-8 en_US.UTF-8 fr_FR.UTF-8 it_IT.UTF-8 pl_PL.UTF-8 ru_RU.UTF-8