diff --git a/.travis.yml b/.travis.yml
index 0bc218f..2740997 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,8 +1,6 @@
 language: php
 
 php:
-  - 5.3
-  - 5.4
   - 5.5
   - 5.6
   - hhvm
diff --git a/composer.json b/composer.json
index aa4872b..67466da 100644
--- a/composer.json
+++ b/composer.json
@@ -10,7 +10,7 @@
         }
     ],
     "require": {
-        "php": ">=5.3.4",
+        "php": ">=5.5.9",
         "silex/silex": "^2.0",
         "gabordemooij/redbean": "^4.0"
     },