diff --git a/Gemfile b/Gemfile
index 5ddbad1..6c1c808 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,16 +1,16 @@
 source 'https://rubygems.org'
 
-gem 'rails', '4.1.1'
+gem 'rails', '6.1.7.4'
 gem 'uglifier', '>= 1.3.0'
-gem 'coffee-rails', '~> 4.0.0'
-gem 'jquery-rails'
+gem 'coffee-rails', '~> 4.2.2'
+gem 'jquery-rails', '>= 4.0.1'
 gem 'jbuilder', '~> 1.2'
 gem 'spreadsheet'
-gem 'devise'
+gem 'devise', '>= 4.7.0'
 gem 'nokogiri'
-gem 'sass-rails', '~> 4.0.3'
+gem 'sass-rails', '~> 5.0.8'
 gem 'bootstrap-sass', '~> 3.1.1'
-gem 'bootstrap-datepicker-rails'
+gem 'bootstrap-datepicker-rails', '>= 1.3.1.0'
 gem 'will_paginate', '~> 3.0'
 gem 'will_paginate-bootstrap', '~> 1.0.0'
 gem 'paperclip', '~> 4.1.1'
@@ -26,7 +26,7 @@ group :development, :test do
   gem 'sqlite3'
   gem 'better_errors'
   gem 'binding_of_caller'
-  gem 'meta_request'
+  gem 'meta_request', '>= 0.7.0'
   gem 'pry'
 end