diff --git a/.travis.yml b/.travis.yml
index 292fca9..5ce77ee 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,18 +1,21 @@
 language: php
 
 php:
-  - 5.4
-  - 5.5
   - 5.6
   - 7.0
   - 7.1
   - 7.2
   - 7.3
+  - 7.4
 
 matrix:
   include:
     - php: 5.3
       dist: precise
+    - php: 5.4
+      dist: trusty
+    - php: 5.5
+      dist: trusty
 
 before_script:
   - travis_retry composer self-update