Gemfile in mongomodel-0.2.6 vs Gemfile in mongomodel-0.2.7

@@ -1,12 +1,11 @@
 source "http://rubygems.org"
-git "git://github.com/rails/rails.git"
 
-gem "activemodel", ">= 3.0.0.beta4"
-gem "activesupport", ">= 3.0.0.beta4"
+gem "activemodel", "~> 3.0.0"
+gem "activesupport", "~> 3.0.0"
 gem "tzinfo"
 
-gem "mongo", '>= 1.0'
-gem "bson", '>= 1.0'
-gem "bson_ext", '>= 1.0'
+gem "mongo", '= 1.0.7'
+gem "bson", '= 1.0.7'
+gem "bson_ext", '= 1.0.7'
 
 gem "rspec"