diff --git a/composer.json b/composer.json
index 4e681987f..8f432ab70 100644
--- a/composer.json
+++ b/composer.json
@@ -34,7 +34,7 @@
     "require-dev": {
         "fzaninotto/faker": "~1.4",
         "phpunit/phpunit": "~4.0",
-        "phpunit/phpunit-selenium": ">=1.2"
+        "phpunit/phpunit-selenium": "~1.2"
     },
     "autoload-dev": {
         "classmap": [