diff --git a/scripts/upgrade b/scripts/upgrade
index 6726f92..0c469bb 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -67,13 +67,28 @@ fi
 # add additional package for upgrade
 ynh_package_install pkg-config libprotobuf-dev protobuf-compiler libicu-dev libidn11-dev postgresql-server-dev-9.4
 
+# Install ruby 2.4.2 for release 2.0
+sudo su - $app <<RCOMMANDS
+cd $final_path/.rbenv && git pull && cd -
+cd $final_path/.rbenv/plugins/ruby-build && git pull && cd -
+$final_path/.rbenv/bin/rbenv install 2.4.2 || true
+$final_path/.rbenv/versions/2.4.2/bin/ruby -v
+RCOMMANDS
+
+# Create symlink for ruby 2.4.2
+sudo ln -s $final_path/.rbenv/versions/2.4.2/bin/ruby /usr/bin/ruby || true
+
+# Install Mastodon
+sudo su - $app <<MCOMMANDS
+pushd ~/live
+$final_path/.rbenv/versions/2.4.2/bin/gem install bundler
+bin/bundle install --deployment --without development test
+yarn install --pure-lockfile
+MCOMMANDS
+
 # Apply Mastodon upgrade
 sudo su - $app <<COMMANDS
 pushd ~/live
-bin/bundle install
-yarn install --pure-lockfile
-# For 1.4.1 -> 1.4.2 migration prepare_for_foreign_keys is needed
-RAILS_ENV=production bundle exec rails mastodon:maintenance:prepare_for_foreign_keys
 RAILS_ENV=production bundle exec rails assets:clean
 RAILS_ENV=production bundle exec rails assets:precompile
 RAILS_ENV=production bundle exec rails db:migrate