diff --git a/composer.json b/composer.json
index fb4209621b8..5fee498f5ff 100644
--- a/composer.json
+++ b/composer.json
@@ -18,9 +18,9 @@
         "ircmaxell/security-lib": "dev-master",
         "mikey179/vfsStream": "1.2.*",
         "fabpot/php-cs-fixer": "1.*",
-        "phpunit/PHPUnit": "3.7.*",
+        "phpunit/PHPUnit": "~4.0",
         "satooshi/php-coveralls": "dev-master",
-        "phpunit/phpcov": "1.1.0"
+        "phpunit/phpcov": "~2.0"
     },
     "suggest": {
         "ext-intl": "ext/intl for i18n features (included in default builds of PHP)",