diff --git a/hoc.gemspec b/hoc.gemspec
index 176ea36..6cac050 100644
--- a/hoc.gemspec
+++ b/hoc.gemspec
@@ -45,8 +45,8 @@ Gem::Specification.new do |s|
   s.test_files = s.files.grep(/^(test|spec|features)\//)
   s.rdoc_options = ['--charset=UTF-8']
   s.extra_rdoc_files = %w(README.md LICENSE.txt)
-  s.add_runtime_dependency 'slop', '3.6'
-  s.add_runtime_dependency 'rake', '10.1'
+  s.add_runtime_dependency 'slop', '3.6.0'
+  s.add_runtime_dependency 'rake', '10.3.2'
   s.add_development_dependency 'coveralls', '0.7'
   s.add_development_dependency 'rdoc', '3.11'
   s.add_development_dependency 'cucumber', '1.3.11'