diff --git a/composer.json b/composer.json
index dca45ef..fafbe8f 100644
--- a/composer.json
+++ b/composer.json
@@ -21,11 +21,11 @@
         }
     ],
     "require": {
-        "php"                                          : ">=5.4.0"
+        "php"                                          : ">=5.4.0",
+        "mockery/mockery"                              : "~0.9.4"
     },
     "require-dev": {
         "fabpot/php-cs-fixer"                          : "~1.10",
-        "mockery/mockery"                              : "~0.9.4",
         "phpunit/phpunit"                              : "~4.6.4",
         "scrutinizer/ocular"                           : "~1.1"
     },