diff --git a/README.md b/README.md
index fcc1dae3b84d0f8131cd5e04623df821c41f3e1c..5eef4a8c4d6ac4969f55277a06887093c91844d0 100644
--- a/README.md
+++ b/README.md
@@ -56,3 +56,11 @@ Use the following command:
 [//]: # Do not add maintainers to cspell-project-words file
 
 * James Wilson - [jwilson3](https://www.drupal.org/u/jwilson3)
+
+## Credits
+
+This theme uses Sass variables and mixins from the
+[Rivet Design System](https://github.com/indiana-university/rivet-source)
+(BSD-3-Clause License) to compile Rivet-compatible custom CSS components, but
+does not redistribute Rivet code. Rivet's core CSS and JS assets are pulled
+directly from CDN into all rendered website pages.
diff --git a/package.json b/package.json
index cb0002a3d70d628faa8a6734b9346c26fb99ce32..70211566e35e3214c0088589dff0881d6f1dec2f 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "rivet",
   "version": "1.0.0",
-  "license": "BSD-3-Clause",
+  "license": "GPL-2.0+",
   "description": "An implementation of Indiana University's <a href='https://rivet.iu.edu'>Rivet Design System</a> for Drupal.",
   "author": "James Wilson <jrwilson3@gmail.com>",
   "devDependencies": {
diff --git a/rivet.libraries.yml b/rivet.libraries.yml
index 0180e8720171d061ce2e569dfd0518241856014d..f06bc56dd5d189c5d8621c7d62e11a93e4d430c9 100644
--- a/rivet.libraries.yml
+++ b/rivet.libraries.yml
@@ -1,4 +1,10 @@
 core:
+  remote: https://github.com/indiana-university/rivet-source
+  version: 2.8.1
+  license:
+    name: BSD-3-Clause
+    url: https://github.com/indiana-university/rivet-source/blob/2.0.0-master/LICENSE.md
+    gpl-compatible: true
   css:
     base:
       # NOTE: when bumping Rivet dependency, remember to also bump ckeditor.css!