diff --git a/composer.json b/composer.json
index 727e031..47b23cb 100644
--- a/composer.json
+++ b/composer.json
@@ -40,5 +40,11 @@
         "post-autoload-dump": "Drupal\\Core\\Composer\\Composer::ensureHtaccess",
         "post-package-install": "Drupal\\Core\\Composer\\Composer::vendorTestCodeCleanup",
         "post-package-update": "Drupal\\Core\\Composer\\Composer::vendorTestCodeCleanup"
+    },
+    "repositories": {
+        "drupal": {
+            "type": "composer",
+            "url": "https://packages.drupal.org/8"
+        }
     }
 }
diff --git a/composer.lock b/composer.lock
index 132fba5..32e4f04 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,8 +4,8 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#composer-lock-the-lock-file",
         "This file is @generated automatically"
     ],
-    "hash": "7d101b08e5ae002d827cd42ae9a4e344",
-    "content-hash": "60f7057617c6d995bf9946d0b12f0b5d",
+    "hash": "e98281382d28737cb360ab4c7f5f04b1",
+    "content-hash": "73375e9c3c1d248c7c75d20303ede877",
     "packages": [
         {
             "name": "composer/installers",