diff --git a/db/migrate/20111010173231_update_twitter_urls_for_https.rb b/db/migrate/20111010173231_update_twitter_urls_for_https.rb
new file mode 100644
index 00000000000..b01529e7f18
--- /dev/null
+++ b/db/migrate/20111010173231_update_twitter_urls_for_https.rb
@@ -0,0 +1,14 @@
+class UpdateTwitterUrlsForHttps < ActiveRecord::Migration
+  def self.up
+    while true
+      users = User.find(:all, :conditions => "avatar_image_source='twitter' AND avatar_image_url NOT LIKE 'https%'", :limit => 500).each do |u|
+        u.avatar_image = { 'type' => 'twitter'  }
+        u.save!
+      end
+      break if users.empty?
+    end
+  end
+
+  def self.down
+  end
+end