diff --git a/built_in_extensions.rb b/built_in_extensions.rb
index 86c097b..98a8522 100644
--- a/built_in_extensions.rb
+++ b/built_in_extensions.rb
@@ -5,6 +5,7 @@ gem 'gallery', git: 'http://gitlab.tp.rulingcom.com/saurabh/gallery.git'
 gem 'links', git: 'http://gitlab.tp.rulingcom.com/saurabh/links.git'
 gem 'page_content', git: 'http://gitlab.tp.rulingcom.com/saurabh/pagecontent.git'
 gem 'faq', git: 'http://gitlab.tp.rulingcom.com/saurabh/faq.git'
+gem 'calendar', git: 'http://gitlab.tp.rulingcom.com/harry/calendar.git'
 #Personal Plugins
 gem 'personal_journal', git: 'http://gitlab.tp.rulingcom.com/saurabh/personal-journal.git'
 gem 'personal_conference', git: 'http://gitlab.tp.rulingcom.com/saurabh/personal-conference.git'