Rakefile in remote_table-0.2.6 vs Rakefile in remote_table-0.2.7

@@ -8,13 +8,13 @@
     gem.summary = %Q{Remotely open and parse XLS, ODS, CSV and fixed-width tables.}
     gem.description = %Q{Remotely open and parse Excel XLS, ODS, CSV and fixed-width tables.}
     gem.email = "[e-mail]"
     gem.homepage = "http://github.com/seamusabshere/remote_table"
     gem.authors = ["Seamus Abshere", "Andy Rossmeissl"]
-    gem.add_dependency 'roo', '~>1.3.11'
-    gem.add_dependency 'fastercsv', '~>1.5.0'
-    gem.add_dependency 'activesupport', '~>2.3.4'
-    gem.add_dependency 'slither', '~>0.99.3'
+    gem.add_dependency 'roo', '>=1.3.11'
+    gem.add_dependency 'fastercsv', '>=1.5.0'
+    gem.add_dependency 'activesupport', '>=2.3.4'
+    gem.add_dependency 'slither', '>=0.99.3'
     gem.require_path = "lib"
     gem.files.include %w(lib/remote_table) unless gem.files.empty? # seems to fail once it's in the wild
     gem.rdoc_options << '--line-numbers' << '--inline-source'
     gem.requirements << 'curl'
     gem.rubyforge_project = "remotetable"