diff --git a/.meteor/packages b/.meteor/packages
index 9574461..c8cb3b0 100644
--- a/.meteor/packages
+++ b/.meteor/packages
@@ -32,3 +32,4 @@ fourseven:scss
 stevezhu:lodash
 reactive-var
 reactive-dict
+aldeed:collection2
diff --git a/.meteor/versions b/.meteor/versions
index 89d183b..0557be7 100644
--- a/.meteor/versions
+++ b/.meteor/versions
@@ -1,5 +1,7 @@
 accounts-base@1.2.1
 accounts-password@1.1.3
+aldeed:collection2@2.5.0
+aldeed:simple-schema@1.3.3
 audit-argument-checks@1.0.4
 autoupdate@1.2.3
 babel-compiler@5.8.24_1
diff --git a/collections/collection.js b/collections/collection.js
index f87337a..bb185ad 100644
--- a/collections/collection.js
+++ b/collections/collection.js
@@ -11,3 +11,12 @@ Collection.deny({
   update: () => true,
   remove: () => true
 });
+
+let CollectionSchema = new SimpleSchema({
+  "owner": {
+    type: String,
+    label: "The ID of the owner of this document."
+  }
+});
+
+Collection.attachSchema( CollectionSchema );