diff --git a/Gemfile.devtools b/Gemfile.devtools
index eb3d6445..87aa4d8f 100644
--- a/Gemfile.devtools
+++ b/Gemfile.devtools
@@ -8,6 +8,7 @@ group :test do
   gem "simplecov", require: false, platforms: :ruby
   gem "simplecov-cobertura", require: false, platforms: :ruby
   gem "rexml", require: false
+  gem "rspec"
 
   gem "warning"
 end