diff --git a/.travis.yml b/.travis.yml
index 8761f8d5..72cbba0d 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -10,29 +10,6 @@ matrix:
       env: SYMFONY_VERSION=2.8.*
 
   include:
-    - php: 5.3
-      env: SYMFONY_VERSION=2.3.*
-    - php: 5.3
-      env: SYMFONY_VERSION=2.7.*
-    - php: 5.3
-      env: SYMFONY_VERSION=2.8.*
-
-    - php: 5.4
-      env: SYMFONY_VERSION=2.3.*
-    - php: 5.4
-      env: SYMFONY_VERSION=2.7.*
-    - php: 5.4
-      env: SYMFONY_VERSION=2.8.*
-
-    - php: 5.5
-      env: SYMFONY_VERSION=2.3.*
-    - php: 5.5
-      env: SYMFONY_VERSION=2.7.*
-    - php: 5.5
-      env: SYMFONY_VERSION=2.8.*
-    - php: 5.5
-      env: SYMFONY_VERSION=3.0.*
-
     - php: 5.6
       env: SYMFONY_VERSION=2.3.*
     - php: 5.6
diff --git a/composer.json b/composer.json
index d2d07242..3133d095 100644
--- a/composer.json
+++ b/composer.json
@@ -8,7 +8,7 @@
         "name" : "Alvaro Videla"
     }],
     "require": {
-        "php":                          ">=5.3.0",
+        "php":                          ">=5.6.0",
 
         "symfony/dependency-injection": "~2.3 || ~3.0",
         "symfony/event-dispatcher":     "~2.3 || ~3.0",