diff --git a/src/Plugin.php b/src/Plugin.php
index b1823f6..b4c5930 100755
--- a/src/Plugin.php
+++ b/src/Plugin.php
@@ -12,7 +12,7 @@ class Plugin implements PluginInterface, Capable
 {
     public function activate(Composer $composer, IOInterface $io)
     {
-        $composer->getRepositoryManager()->addRepository(new Repository($io, Factory::createConfig(), $composer));
+        $composer->getRepositoryManager()->prependRepository(new Repository($io, Factory::createConfig(), $composer));
     }
 
     /**