diff --git a/ext/cbson/version.h b/ext/cbson/version.h
index d4769b7..b74a7d1 100644
--- a/ext/cbson/version.h
+++ b/ext/cbson/version.h
@@ -14,4 +14,4 @@
  * limitations under the License.
  */
 
-#define VERSION "1.0.1"
+#define VERSION "1.0.4"
diff --git a/lib/bson.rb b/lib/bson.rb
index e3bb82f..65f4ec2 100644
--- a/lib/bson.rb
+++ b/lib/bson.rb
@@ -2,10 +2,10 @@
 
 $:.unshift(File.join(File.dirname(__FILE__), '..', 'lib'))
 
-MINIMUM_BSON_EXT_VERSION = "1.0.1"
+MINIMUM_BSON_EXT_VERSION = "1.0.4"
 
 module BSON
-  VERSION = "1.0.3"
+  VERSION = "1.0.4"
   def self.serialize(obj, check_keys=false, move_id=false)
     BSON_CODER.serialize(obj, check_keys, move_id)
   end
diff --git a/lib/mongo.rb b/lib/mongo.rb
index 7ce1807..0bbc549 100644
--- a/lib/mongo.rb
+++ b/lib/mongo.rb
@@ -3,7 +3,7 @@
 $:.unshift(File.join(File.dirname(__FILE__), '..', 'lib'))
 
 module Mongo
-  VERSION = "1.0.3"
+  VERSION = "1.0.4"
 end
 
 module Mongo