diff --git a/.travis.yml b/.travis.yml
index 2cdf383..d7622ec 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,25 +1,18 @@
 language: php
 
 php:
-  - "7.2"
-  - "7.1"
-  - "7.0"
   - "5.6"
-  - "5.5"
-  - "5.4"
-  - "nightly"
+  - "7.0"
+  - "7.1"
+  - "7.2"
 
 env:
   - CONTAO_VERSION=~3.5.5
 
-# Exclude impossible Contao Version combinations.
-matrix:
-  exclude:
-
 sudo: false
 
 before_install:
-  - phpenv config-add travis.php.ini
+  - echo "memory_limit = -1" > travis.php.ini && phpenv config-add travis.php.ini
 
 install:
   - travis_retry composer self-update && composer --version
diff --git a/composer.json b/composer.json
index 128fa15..28b614a 100644
--- a/composer.json
+++ b/composer.json
@@ -10,7 +10,7 @@
   ],
   "type": "contao-module",
   "homepage": "http://now.metamodel.me/",
-  "license": "LGPL-3.0+",
+  "license": "LGPL-3.0-or-later",
   "authors": [
     {
       "name": "Christian Schiffler",
@@ -32,7 +32,7 @@
     "source": "https://github.com/MetaModels/attribute_translatedfile"
   },
   "require": {
-    "php": "^5.4 | ^7.0",
+    "php": "^5.6 | ^7.0",
     "contao/core": "^3.5.5",
     "contao-community-alliance/composer-plugin": "~2.0",
     "contao-community-alliance/dc-general": "~2.0@beta",
diff --git a/travis.php.ini b/travis.php.ini
deleted file mode 100644
index 2a30f41..0000000
--- a/travis.php.ini
+++ /dev/null
@@ -1 +0,0 @@
-memory_limit = 2G