diff --git a/Gemfile b/Gemfile
index 36783f0d..c5643174 100644
--- a/Gemfile
+++ b/Gemfile
@@ -25,6 +25,9 @@ gem 'jwt', require: false
 gem 'lograge'
 gem 'numo-narray-alt', require: false
 gem 'oj'
+gem 'omniauth', '~> 2.1'
+gem 'omniauth-google-oauth2', '~> 1.2'
+gem 'omniauth-rails_csrf_protection', '~> 1.0'
 gem 'onnxruntime', require: false
 gem 'pagy'
 gem 'pg', require: false