diff --git a/Gemfile b/Gemfile
index 6bfe6bf45..a9e0734a4 100644
--- a/Gemfile
+++ b/Gemfile
@@ -12,7 +12,8 @@ end
 
 group :development, :unit_tests do
   gem 'rake',                    :require => false
-  gem 'rspec-puppet',            :require => false
+  gem 'rspec-core', '3.1.7',     :require => false
+  gem 'rspec-puppet', '~> 1.0',  :require => false
   gem 'puppetlabs_spec_helper',  :require => false
   gem 'puppet-lint',             :require => false
   gem 'simplecov',               :require => false