diff --git a/coverband.gemspec b/coverband.gemspec
index 3a9a0ae4..5141812f 100644
--- a/coverband.gemspec
+++ b/coverband.gemspec
@@ -41,7 +41,7 @@ Gem::Specification.new do |spec|
   spec.add_development_dependency "minitest", "= 5.18.1"
   spec.add_development_dependency "minitest-fork_executor"
   spec.add_development_dependency "minitest-stub-const"
-  spec.add_development_dependency "mocha", "~> 1.7.0"
+  spec.add_development_dependency "mocha", "~> 2.2.0"
   spec.add_development_dependency "rack"
   spec.add_development_dependency "rack-test"
   spec.add_development_dependency "rake"