diff --git a/oldto-site/yarn.lock b/oldto-site/yarn.lock
index c3f8caa..9fdff68 100644
--- a/oldto-site/yarn.lock
+++ b/oldto-site/yarn.lock
@@ -2033,8 +2033,9 @@ lodash.findindex@^4.3.0:
   resolved "https://registry.yarnpkg.com/lodash.findindex/-/lodash.findindex-4.6.0.tgz#a3245dee61fb9b6e0624b535125624bb69c11106"
 
 lodash@^4.0.0, lodash@^4.17.3, lodash@^4.17.4, lodash@^4.3.0:
-  version "4.17.5"
-  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.5.tgz#99a92d65c0272debe8c96b6057bc8fbfa3bed511"
+  version "4.17.15"
+  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.15.tgz#b447f6670a0455bbfeedd11392eff330ea097548"
+  integrity sha512-8xOcRHvCjnocdS5cpwXQXVzmmh5e5+saE2QGoeQmbKmRS6J3VQppPOIt0MnmE+4xlZoumy0GPG0D0MVIQbNA1A==
 
 longest@^1.0.1:
   version "1.0.1"