diff --git a/.travis.yml b/.travis.yml
index 6eec5091..71400764 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -18,10 +18,8 @@ env:
 matrix:
   include:
     - php: 5.6
-      env: DB=MYSQL PHPUNIT_COVERAGE_TEST=1
-    - php: 5.5
       env: DB=PGSQL PHPUNIT_TEST=1
-    - php: 5.5
+    - php: 5.6
       env: DB=SQLITE PHPUNIT_TEST=1
     - php: 5.6
       env: DB=MYSQL PDO=1 PHPUNIT_TEST=1 PHPCS_TEST=1
@@ -35,7 +33,6 @@ matrix:
       env: DB=MYSQL PDO=1 PHPUNIT_TEST=1
 
 before_script:
- - composer self-update || true
  - "if [ \"$PHPCS_TEST\" = \"1\" ]; then pyrus install pear/PHP_CodeSniffer; fi"
  - phpenv rehash
  - phpenv config-rm xdebug.ini
diff --git a/composer.json b/composer.json
index 4c2b8bfb..9efc5204 100644
--- a/composer.json
+++ b/composer.json
@@ -16,7 +16,6 @@
     }
   ],
   "require": {
-    "php": ">=5.5.0",
     "composer/installers": "*",
     "silverstripe/framework": "^4.0@dev",
     "silverstripe/admin": "^1.0@dev",