diff --git a/code/14-tensorflowjs/04-rnn/es6/addition-rnn/yarn.lock b/code/14-tensorflowjs/04-rnn/es6/addition-rnn/yarn.lock
index 0ff9fc7..b9f7b24 100644
--- a/code/14-tensorflowjs/04-rnn/es6/addition-rnn/yarn.lock
+++ b/code/14-tensorflowjs/04-rnn/es6/addition-rnn/yarn.lock
@@ -4447,8 +4447,8 @@ xtend@^4.0.0, xtend@~4.0.1:
   resolved "https://registry.yarnpkg.com/xtend/-/xtend-4.0.1.tgz#a5c6d532be656e23db820efb943a1f04998d63af"
 
 y18n@^3.2.1:
-  version "3.2.1"
-  resolved "https://registry.yarnpkg.com/y18n/-/y18n-3.2.1.tgz#6d15fba884c08679c0d77e88e7759e811e07fa41"
+  version "3.2.2"
+  resolved "https://registry.yarnpkg.com/y18n/-/y18n-3.2.2.tgz#85c901bd6470ce71fc4bb723ad209b70f7f28696"
 
 yallist@^2.1.2:
   version "2.1.2"