diff --git a/.travis.yml b/.travis.yml
index eb814a3..7ca3571 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,8 +1,6 @@
 language: php
 
 php:
-  - 5.4
-  - 5.5
   - 5.6
   - 7.0
   - 7.1
diff --git a/composer.json b/composer.json
index 35455de..2d809bc 100644
--- a/composer.json
+++ b/composer.json
@@ -15,16 +15,16 @@
         "issues": "https://github.com/andreas-weber/php-junit-merge/issues"
     },
     "require": {
-        "php": ">=5.3.3",
-        "symfony/console": "~2.4|^3.0",
-        "symfony/finder": "~2.4|^3.0",
+        "php": ">=5.6",
+        "symfony/console": "^3.0 || ^4.0",
+        "symfony/finder": "^3.0 || ^4.0",
         "theseer/fdomdocument": "1.6.*"
     },
     "require-dev": {
-        "phpunit/phpunit": "4.1.*",
-        "phploc/phploc": "2.0.*",
+        "phpunit/phpunit": "^5.0",
+        "phploc/phploc": "4.*",
         "squizlabs/php_codesniffer": "1.5.*",
-        "phpmd/phpmd": "2.0.*",
+        "phpmd/phpmd": "2.*",
         "sebastian/phpcpd": "2.0.*"
     },
     "autoload": {
diff --git a/src/Console/Application.php b/src/Console/Application.php
index a9a804b..a586826 100644
--- a/src/Console/Application.php
+++ b/src/Console/Application.php
@@ -55,7 +55,7 @@ class Application extends ConsoleApplication
      */
     public function __construct()
     {
-        parent::__construct('phpjunitmerge', '1.0.5');
+        parent::__construct('phpjunitmerge', '1.0.6');
     }
 
     /**