2 files changed, 17 insertions, 4 deletions
diff --git a/activesupport/lib/active_support/dependency_module.rb b/activesupport/lib/active_support/dependency_module.rb
index 8c202acc8f..9872b9654b 100644
--- a/activesupport/lib/active_support/dependency_module.rb
+++ b/activesupport/lib/active_support/dependency_module.rb
@@ -16,10 +16,12 @@ module ActiveSupport
       end
     end
 
-    def depends_on(mod)
-      return if self < mod
-      @_dependencies ||= []
-      @_dependencies << mod
+    def depends_on(*mods)
+      mods.each do |mod|
+        next if self < mod
+        @_dependencies ||= []
+        @_dependencies << mod
+      end
     end
   end
 end
diff --git a/activesupport/test/dependency_module_test.rb b/activesupport/test/dependency_module_test.rb
index 07090d15a1..be7db0fa7b 100644
--- a/activesupport/test/dependency_module_test.rb
+++ b/activesupport/test/dependency_module_test.rb
@@ -42,6 +42,12 @@ class DependencyModuleTest < Test::Unit::TestCase
     end
   end
 
+  module Foo
+    extend ActiveSupport::DependencyModule
+
+    depends_on Bar, Baz
+  end
+
   def setup
     @klass = Class.new
   end
@@ -74,4 +80,9 @@ class DependencyModuleTest < Test::Unit::TestCase
     assert_equal "baz", @klass.baz
     assert_equal [DependencyModuleTest::Bar, DependencyModuleTest::Baz], @klass.included_modules[0..1]
   end
+
+  def test_depends_on_with_multiple_modules
+    @klass.send(:include, Foo)
+    assert_equal [DependencyModuleTest::Foo, DependencyModuleTest::Bar, DependencyModuleTest::Baz], @klass.included_modules[0..2]
+  end
 end