diff --git a/seed.txt b/seed.txt
index e8923e3..6509dde 100644
--- a/seed.txt
+++ b/seed.txt
@@ -84,4 +84,7 @@ https://cdn.staticfile.net/emoji-js/3.8.0/emoji.js
 https://cdn.staticfile.net/emoji-js/3.8.0/emoji.css
 
 # prism
-https://cdn.staticfile.net/prism/1.29.0/themes/prism-tomorrow.min.css
\ No newline at end of file
+https://cdn.staticfile.net/prism/1.29.0/themes/prism-tomorrow.min.css
+
+# relationship
+https://passer-by.com/relationship/dist/relationship.min.js
\ No newline at end of file