2 files changed, 10 insertions, 0 deletions
diff --git a/activemodel/lib/active_model.rb b/activemodel/lib/active_model.rb
index 5bb931be7f..67f529262d 100644
--- a/activemodel/lib/active_model.rb
+++ b/activemodel/lib/active_model.rb
@@ -41,6 +41,7 @@ module ActiveModel
   autoload :TestCase, 'active_model/test_case'
   autoload :Validations, 'active_model/validations'
   autoload :ValidationsRepairHelper, 'active_model/validations_repair_helper'
+  autoload :VERSION, 'active_model/version'
 
   module Serializers
     autoload :JSON, 'active_model/serializers/json'
diff --git a/activemodel/lib/active_model/version.rb b/activemodel/lib/active_model/version.rb
new file mode 100644
index 0000000000..0c233b7b4f
--- /dev/null
+++ b/activemodel/lib/active_model/version.rb
@@ -0,0 +1,9 @@
+module ActiveModel
+  module VERSION #:nodoc:
+    MAJOR = 3
+    MINOR = 0
+    TINY  = "pre"
+
+    STRING = [MAJOR, MINOR, TINY].join('.')
+  end
+end