diff --git a/CHANGELOG.rdoc b/CHANGELOG.rdoc
index bd1fe8f..889cfbb 100644
--- a/CHANGELOG.rdoc
+++ b/CHANGELOG.rdoc
@@ -1,4 +1,9 @@
-=== Version 0.4.0 - 2012-12-14 19:37:49 +0000
+=== Version 1.0.0 - 2013-11-04
+
+Fixes and Ruby2/Rails4 compatibility
+
+
+=== Version 0.4.0 - 2012-12-14
 
 Adrian Gomez (1):
 * Fixing issue #22
@@ -53,7 +58,7 @@ steve emmons (3):
 * Merge pull request #15 from spemmons/master
 
 
-=== Version 0.2.4 - 2011-11-23 09:37:50 +0000
+=== Version 0.2.4 - 2011-11-23
 
 Ivan Buiko (3):
 * No longer validates attribute during migrations
diff --git a/lib/bitmask_attributes/version.rb b/lib/bitmask_attributes/version.rb
index 2d1867f..10fc515 100644
--- a/lib/bitmask_attributes/version.rb
+++ b/lib/bitmask_attributes/version.rb
@@ -1,3 +1,3 @@
 module BitmaskAttributes
-  VERSION = "0.4.0".freeze
+  VERSION = "1.0.0".freeze
 end