diff --git a/.travis.yml b/.travis.yml
index 9126b6a..c44c73d 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -3,6 +3,8 @@ php:
   - 5.4
   - 5.5
   - 5.6
+env:
+  - SYMFONY="2.6.*"
 before_script:
   - composer install
 script: