diff --git a/framework/core/.travis.yml b/framework/core/.travis.yml
index eaf4af6fd..c00e19d52 100644
--- a/framework/core/.travis.yml
+++ b/framework/core/.travis.yml
@@ -1,7 +1,6 @@
 language: php
 
 php:
-  - 5.5
   - 5.6
   - 7.0
   - hhvm
diff --git a/framework/core/composer.json b/framework/core/composer.json
index 42dc78a11..efdb49182 100644
--- a/framework/core/composer.json
+++ b/framework/core/composer.json
@@ -20,7 +20,7 @@
         "docs": "http://flarum.org/docs"
     },
     "require": {
-        "php": ">=5.5.9",
+        "php": ">=5.6.0",
         "dflydev/fig-cookies": "^1.0.2",
         "doctrine/dbal": "^2.5",
         "components/font-awesome": "^4.6",