diff --git a/.travis.yml b/.travis.yml
index 9ada3d3f46..ea0796f34e 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -57,7 +57,7 @@ after_script:
 
 matrix:
   allow_failures:
-    - php: 5.5
+    - php: 5.6
       env: PHPUNIT_ARGS="--group selenium" SELENIUM="yes"
     - php: hhvm
       env: PHPUNIT_ARGS="--exclude-group selenium"