diff --git a/lib/mongo.rb b/lib/mongo.rb
index 0bbc549..3fb3873 100644
--- a/lib/mongo.rb
+++ b/lib/mongo.rb
@@ -3,7 +3,7 @@
 $:.unshift(File.join(File.dirname(__FILE__), '..', 'lib'))
 
 module Mongo
-  VERSION = "1.0.4"
+  VERSION = "1.0.5"
 end
 
 module Mongo
diff --git a/mongo.gemspec b/mongo.gemspec
index 245b90d..2e19f97 100644
--- a/mongo.gemspec
+++ b/mongo.gemspec
@@ -29,5 +29,5 @@ Gem::Specification.new do |s|
   s.email = 'mongodb-dev@googlegroups.com'
   s.homepage = 'http://www.mongodb.org'
 
-  s.add_dependency(%q<bson>, ["= #{Mongo::VERSION}"])
+  s.add_dependency(%q<bson>, [">= 1.0.4"])
 end