diff --git a/.travis.yml b/.travis.yml
index 32c32a4..efcf329 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -4,16 +4,26 @@ php:
   - 5.3
   - 5.4
   - 5.5
+  - 5.6
+  - hhvm
 
 env:
   - SYMFONY_VERSION='2.2.*'
   - SYMFONY_VERSION='2.3.*'
   - SYMFONY_VERSION='2.4.*'
-  - SYMFONY_VERSION='2.4.*@dev'
+  - SYMFONY_VERSION='2.5.*@dev'
 
 matrix:
   allow_failures:
     - env: "SYMFONY_VERSION='2.5.*@dev'"
+    - php: hhvm
+  exclude:
+    - php: hhvm
+      env: SYMFONY_VERSION='2.2.*'
+    - php: hhvm
+      env: SYMFONY_VERSION='2.3.*'
+    - php: hhvm
+      env: SYMFONY_VERSION='2.5.*@dev'
 
 before_script:
   - composer require --no-update symfony/symfony=$SYMFONY_VERSION