Fix: RBX build fails, see https://github.com/rspec/rspec-core/issues/1863.

1 files changed, 1 insertions, 0 deletions

diff --git a/Gemfile b/Gemfile
index 8a7b20f..dcaf305 100644
--- a/Gemfile
+++ b/Gemfile
@@ -14,4 +14,5 @@ group :test do
   # ActiveSupport required to test compatibility with ActiveSupport Core Extensions.
   gem 'activesupport', require: false
   gem 'codeclimate-test-reporter', require: false
+  gem 'rspec-core', '~> 3.1.7'
 end