diff --git a/app/mailers/admin_mailer.rb b/app/mailers/admin_mailer.rb
index 8990b2a847..8dd7b6e59f 100644
--- a/app/mailers/admin_mailer.rb
+++ b/app/mailers/admin_mailer.rb
@@ -46,12 +46,16 @@ class AdminMailer < ApplicationMailer
   end
 
   def new_software_updates
+    @software_updates = SoftwareUpdate.all.to_a.sort_by(&:gem_version)
+
     locale_for_account(@me) do
       mail subject: default_i18n_subject(instance: @instance)
     end
   end
 
   def new_critical_software_updates
+    @software_updates = SoftwareUpdate.where(urgent: true).to_a.sort_by(&:gem_version)
+
     headers['Priority'] = 'urgent'
     headers['X-Priority'] = '1'
     headers['Importance'] = 'high'
diff --git a/app/views/admin_mailer/new_critical_software_updates.text.erb b/app/views/admin_mailer/new_critical_software_updates.text.erb
index 63c170dc0d..e4886c2621 100644
--- a/app/views/admin_mailer/new_critical_software_updates.text.erb
+++ b/app/views/admin_mailer/new_critical_software_updates.text.erb
@@ -1,3 +1,7 @@
 <%= raw t('admin_mailer.new_critical_software_updates.body') %>
 
+<% @software_updates.each do |update| %>
+- Mastodon #{update.version}: #{update.release_notes}
+<% end %>
+
 <%= raw t('application_mailer.view')%> <%= admin_software_updates_url %>
diff --git a/app/views/admin_mailer/new_software_updates.text.erb b/app/views/admin_mailer/new_software_updates.text.erb
index 96808f3cb3..7612b7c59f 100644
--- a/app/views/admin_mailer/new_software_updates.text.erb
+++ b/app/views/admin_mailer/new_software_updates.text.erb
@@ -1,3 +1,7 @@
 <%= raw t('admin_mailer.new_software_updates.body') %>
 
+<% @software_updates.each do |update| %>
+- Mastodon #{update.version}: #{update.release_notes}
+<% end %>
+
 <%= raw t('application_mailer.view')%> <%= admin_software_updates_url %>