Update PHP versions

gallib · gallib · commit 38349ca97412 · 2020-03-06T23:45:19.000+01:00
diff --git a/.travis.yml b/.travis.yml
@@ -1,8 +1,9 @@
 language: php
 
 php:
-  - 7.2
+  - 7.2.15
   - 7.3
+  - 7.4
 
 before_script:
   - composer install --no-progress --no-interaction --prefer-dist --no-suggest
