diff --git a/lib/tasks/permissions.rake b/lib/tasks/permissions.rake
new file mode 100644
index 000000000..02ce1b2a8
--- /dev/null
+++ b/lib/tasks/permissions.rake
@@ -0,0 +1,9 @@
+namespace :redmine do
+  desc "List all permissions and the actions registered with them"
+  task :permissions => :environment do
+    puts "Permission Name - controller/action pairs"
+    Redmine::AccessControl.permissions.sort {|a,b| a.name.to_s <=> b.name.to_s }.each do |permission|
+      puts ":#{permission.name} - #{permission.actions.join(', ')}"
+    end
+  end
+end