diff --git a/site-cookbooks/kosmos-mastodon/recipes/default.rb b/site-cookbooks/kosmos-mastodon/recipes/default.rb
index f367d28..0d38b5e 100644
--- a/site-cookbooks/kosmos-mastodon/recipes/default.rb
+++ b/site-cookbooks/kosmos-mastodon/recipes/default.rb
@@ -45,7 +45,7 @@ package %w(imagemagick ffmpeg libxml2-dev libxslt1-dev file git curl pkg-config
            libprotobuf-dev protobuf-compiler libidn11 libidn11-dev)
 
 node_package "yarn" do
-  version "0.25.2"
+  version "1.2.1"
 end
 
 ruby_version = "2.4.2"
diff --git a/site-cookbooks/kosmos-nodejs/recipes/default.rb b/site-cookbooks/kosmos-nodejs/recipes/default.rb
index 2915afa..38931a9 100644
--- a/site-cookbooks/kosmos-nodejs/recipes/default.rb
+++ b/site-cookbooks/kosmos-nodejs/recipes/default.rb
@@ -7,6 +7,6 @@
 # All rights reserved - Do Not Redistribute
 #
 
-node.override['nodejs']['version'] = '6.11.1'
-node.override['nodejs']['source']['checksum'] = '6f6655b85919aa54cb045a6d69a226849802fcc26491d0db4ce59873e41cc2b8'
+node.override['nodejs']['version'] = '8.8.1'
+node.override['nodejs']['source']['checksum'] = '5ce2c47ab779992db49942f757a01cc5131db5cef4e0dd270e48151b0887b57a'
 include_recipe 'nodejs::nodejs_from_source'