diff --git a/tasks/gem.rake b/tasks/gem.rake
index 67cf25473..efdc382fb 100644
--- a/tasks/gem.rake
+++ b/tasks/gem.rake
@@ -36,7 +36,7 @@ namespace :gem do
 
     s.add_development_dependency('rake', '>= 0.7.3')
     s.add_development_dependency('rspec', '~> 1.2.9')
-    s.add_development_dependency('rcov', '=> 0.9.9')
+    s.add_development_dependency('rcov', '>= 0.9.9')
     s.add_development_dependency('diff-lcs', '>= 1.1.2')
 
     s.require_path = 'lib'