diff --git a/src/Composer/Package/AliasPackage.php b/src/Composer/Package/AliasPackage.php
index aee9a65ed..6670b93e5 100644
--- a/src/Composer/Package/AliasPackage.php
+++ b/src/Composer/Package/AliasPackage.php
@@ -244,6 +244,14 @@ class AliasPackage extends BasePackage
     {
         return $this->aliasOf->getScripts();
     }
+    public function setAliases(array $aliases)
+    {
+        return $this->aliasOf->setAliases($aliases);
+    }
+    public function getAliases()
+    {
+        return $this->aliasOf->getAliases();
+    }
     public function getLicense()
     {
         return $this->aliasOf->getLicense();