diff --git a/scripts/upgrade b/scripts/upgrade
index 0429013..0234b84 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -127,25 +127,25 @@ ynh_setup_source "$final_path/.rbenv/plugins/ruby-build" "app-ruby-build"
 
 # Install ruby 2.5.1
 (
-	exec_as "$app" $final_path/.rbenv/bin/rbenv install -s 2.5.1 || true
-	exec_as "$app" $final_path/.rbenv/bin/rbenv global 2.5.1 || true
-	exec_as "$app" $final_path/.rbenv/versions/2.5.1/bin/ruby -v
+	exec_as "$app" $final_path/.rbenv/bin/rbenv install -s 2.5.3 || true
+	exec_as "$app" $final_path/.rbenv/bin/rbenv global 2.5.3 || true
+	exec_as "$app" $final_path/.rbenv/versions/2.5.3/bin/ruby -v
 )
 
 # Create symlink for ruby
 rm /usr/bin/ruby || true
-ln -s $final_path/.rbenv/versions/2.5.1/bin/ruby /usr/bin/ruby || true
+ln -s $final_path/.rbenv/versions/2.5.3/bin/ruby /usr/bin/ruby || true
 
 # Preconfig CSS & JS
 # Install Mastodon
 (
 sudo su - $app <<MCOMMANDS
 pushd ~/live
-$final_path/.rbenv/versions/2.5.1/bin/gem install bundler
+$final_path/.rbenv/versions/2.5.3/bin/gem install bundler
 if [ "$(lsb_release --codename --short)" == "jessie" ]; then
-	$final_path/.rbenv/versions/2.5.1/bin/bundle install --deployment --without development test
+	$final_path/.rbenv/versions/2.5.3/bin/bundle install --deployment --without development test
 else
-	$final_path/.rbenv/versions/2.5.1/bin/bundle install --deployment --force --without development test
+	$final_path/.rbenv/versions/2.5.3/bin/bundle install --deployment --force --without development test
 fi
 yarn install --pure-lockfile
 MCOMMANDS
@@ -160,13 +160,13 @@ popd
 # Apply Mastodon upgrade
 (
 pushd $final_path/live
-RAILS_ENV=production $final_path/.rbenv/versions/2.5.1/bin/bundle exec rails assets:clean
-RAILS_ENV=production $final_path/.rbenv/versions/2.5.1/bin/bundle exec rails assets:precompile
+RAILS_ENV=production $final_path/.rbenv/versions/2.5.3/bin/bundle exec rails assets:clean
+RAILS_ENV=production $final_path/.rbenv/versions/2.5.3/bin/bundle exec rails assets:precompile
 popd
 
 sudo su - $app <<COMMANDS
 pushd ~/live
-RAILS_ENV=production $final_path/.rbenv/versions/2.5.1/bin/bundle exec rails db:migrate
+RAILS_ENV=production $final_path/.rbenv/versions/2.5.3/bin/bundle exec rails db:migrate
 COMMANDS
 )
 #=================================================