diff --git a/.travis.yml b/.travis.yml
index e476eac1..9d8efc7d 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,12 +1,14 @@
 language: php
 
 php:
+  - 5.2
   - 5.3
   - 5.4
   - 5.5
   - 5.6
   - 7.0
   - 7.1
+  - nightly
   - hhvm
 
 services: