diff --git a/.travis.yml b/.travis.yml
index 0378de05..3c565e1b 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -8,6 +8,7 @@ dist: trusty
 matrix:
   include:
    - php: 5.3
+     dist: precise
    - php: 5.4
    - php: 5.5
    - php: 5.6