diff --git a/.gitignore b/.gitignore
index 874db461f..b5db85e05 100644
--- a/.gitignore
+++ b/.gitignore
@@ -7,4 +7,3 @@ spec/fixtures/
 coverage/
 .idea/
 *.iml
-log/
diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index f1cbde4bb..bfeaa701c 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -159,7 +159,7 @@ If you already have those gems installed, make sure they are up-to-date:
 With all dependencies in place and up-to-date we can now run the tests:
 
 ```shell
-% rake spec
+% bundle exec rake spec
 ```
 
 This will execute all the [rspec tests](http://rspec-puppet.com/) tests
@@ -178,8 +178,8 @@ installed on your system.
 You can run them by issuing the following command
 
 ```shell
-% rake spec_clean
-% rspec spec/acceptance
+% bundle exec rake spec_clean
+% bundle exec rspec spec/acceptance
 ```
 
 This will now download a pre-fabricated image configured in the [default node-set](./spec/acceptance/nodesets/default.yml),
diff --git a/Gemfile b/Gemfile
index 2b1b7cd8d..04f8667df 100644
--- a/Gemfile
+++ b/Gemfile
@@ -27,7 +27,8 @@ group :system_tests do
   else
     gem 'beaker-rspec',  :require => false
   end
-  gem 'serverspec',    :require => false
+  gem 'serverspec',                    :require => false
+  gem 'beaker-puppet_install_helper',  :require => false
 end