diff --git a/.gitignore b/.gitignore
index c2696db..ab2b1db 100644
--- a/.gitignore
+++ b/.gitignore
@@ -4,3 +4,4 @@ spec/fixtures
 .rspec_system
 .vagrant
 log
+Gemfile.lock
diff --git a/Gemfile b/Gemfile
index ee7dbfd..c7a01c9 100644
--- a/Gemfile
+++ b/Gemfile
@@ -2,7 +2,7 @@ source "http://rubygems.org"
 
 group :test do
   gem "rake"
-  gem "puppet", ENV['PUPPET_VERSION'] || '~> 3.4.0'
+  gem "puppet", ENV['PUPPET_VERSION'] || '~> 3.7.3'
   gem "puppet-lint"
   gem "rspec-puppet", :git => 'https://github.com/rodjek/rspec-puppet.git'
   gem "rspec", '< 3.0.0'
diff --git a/Gemfile.lock b/Gemfile.lock
deleted file mode 100644
index cc13bbf..0000000
--- a/Gemfile.lock
+++ /dev/null
@@ -1,236 +0,0 @@
-GIT
-  remote: https://github.com/rodjek/rspec-puppet.git
-  revision: 389f99ef666521fec1b4530fe69dc1ab84a060a8
-  specs:
-    rspec-puppet (1.0.1)
-      rspec
-
-GEM
-  remote: http://rubygems.org/
-  specs:
-    CFPropertyList (2.2.8)
-    addressable (2.3.6)
-    archive-tar-minitar (0.5.2)
-    autoparse (0.3.3)
-      addressable (>= 2.3.1)
-      extlib (>= 0.9.15)
-      multi_json (>= 1.0.0)
-    aws-sdk (1.42.0)
-      json (~> 1.4)
-      nokogiri (>= 1.4.4)
-    backports (3.6.0)
-    beaker (1.12.1)
-      aws-sdk (~> 1.38)
-      blimpy (~> 0.6)
-      docker-api
-      fission (~> 0.4)
-      google-api-client (~> 0.7.1)
-      inifile (~> 2.0)
-      json (~> 1.8)
-      mime-types (~> 1.25)
-      net-scp (~> 1.1)
-      net-ssh (~> 2.6)
-      nokogiri (= 1.5.10)
-      rbvmomi (= 1.8.1)
-      unf (~> 0.1)
-    beaker-rspec (2.2.4)
-      beaker (~> 1.10)
-      rspec (~> 2.14)
-      serverspec (~> 1.0)
-      specinfra (~> 1.0)
-    blimpy (0.6.7)
-      fog
-      minitar
-      thor
-    builder (3.2.2)
-    celluloid (0.15.2)
-      timers (~> 1.1.0)
-    coderay (1.1.0)
-    diff-lcs (1.2.5)
-    docker-api (1.11.0)
-      archive-tar-minitar
-      excon (>= 0.34.0)
-      json
-    ethon (0.7.0)
-      ffi (>= 1.3.0)
-    excon (0.35.0)
-    extlib (0.9.16)
-    facter (1.7.5)
-    faraday (0.9.0)
-      multipart-post (>= 1.2, < 3)
-    faraday_middleware (0.9.1)
-      faraday (>= 0.7.4, < 0.10)
-    ffi (1.9.3)
-    fission (0.5.0)
-      CFPropertyList (~> 2.2)
-    fog (1.11.1)
-      builder
-      excon (~> 0.20)
-      formatador (~> 0.2.0)
-      json (~> 1.7)
-      mime-types
-      net-scp (~> 1.1)
-      net-ssh (>= 2.1.3)
-      nokogiri (~> 1.5.0)
-      ruby-hmac
-    formatador (0.2.5)
-    gh (0.13.2)
-      addressable
-      backports
-      faraday (~> 0.8)
-      multi_json (~> 1.0)
-      net-http-persistent (>= 2.7)
-      net-http-pipeline
-    google-api-client (0.7.1)
-      addressable (>= 2.3.2)
-      autoparse (>= 0.3.3)
-      extlib (>= 0.9.15)
-      faraday (>= 0.9.0)
-      jwt (>= 0.1.5)
-      launchy (>= 2.1.1)
-      multi_json (>= 1.0.0)
-      retriable (>= 1.4)
-      signet (>= 0.5.0)
-      uuidtools (>= 2.1.0)
-    guard (2.6.1)
-      formatador (>= 0.2.4)
-      listen (~> 2.7)
-      lumberjack (~> 1.0)
-      pry (>= 0.9.12)
-      thor (>= 0.18.1)
-    guard-rake (0.0.9)
-      guard
-      rake
-    hashr (0.0.22)
-    hiera (1.3.3)
-      json_pure
-    highline (1.6.21)
-    inifile (2.0.2)
-    json (1.8.1)
-    json_pure (1.8.1)
-    jwt (1.0.0)
-    launchy (2.4.2)
-      addressable (~> 2.3)
-    listen (2.7.6)
-      celluloid (>= 0.15.2)
-      rb-fsevent (>= 0.9.3)
-      rb-inotify (>= 0.9)
-    lumberjack (1.0.6)
-    metaclass (0.0.4)
-    metadata-json-lint (0.0.2)
-    method_source (0.8.2)
-    mime-types (1.25.1)
-    minitar (0.5.4)
-    mocha (1.1.0)
-      metaclass (~> 0.0.1)
-    multi_json (1.10.1)
-    multipart-post (2.0.0)
-    net-http-persistent (2.9.4)
-    net-http-pipeline (1.0.1)
-    net-scp (1.2.1)
-      net-ssh (>= 2.6.5)
-    net-ssh (2.9.1)
-    nokogiri (1.5.10)
-    pry (0.9.12.6)
-      coderay (~> 1.0)
-      method_source (~> 0.8)
-      slop (~> 3.4)
-    puppet (3.4.3)
-      facter (~> 1.6)
-      hiera (~> 1.0)
-      rgen (~> 0.6.5)
-    puppet-blacksmith (2.0.2)
-      nokogiri
-      puppet (>= 2.7.16)
-      rest-client
-    puppet-lint (0.3.2)
-    puppet-syntax (1.2.0)
-      puppet (>= 2.7.0)
-      rake
-    puppetlabs_spec_helper (0.4.1)
-      mocha (>= 0.10.5)
-      rake
-      rspec (>= 2.9.0)
-      rspec-puppet (>= 0.1.1)
-    pusher-client (0.6.0)
-      json
-      websocket (~> 1.0)
-    rake (10.3.2)
-    rb-fsevent (0.9.4)
-    rb-inotify (0.9.4)
-      ffi (>= 0.5.0)
-    rbvmomi (1.8.1)
-      builder
-      nokogiri (>= 1.4.1)
-      trollop
-    rest-client (1.6.7)
-      mime-types (>= 1.16)
-    retriable (1.4.1)
-    rgen (0.6.6)
-    rspec (2.99.0)
-      rspec-core (~> 2.99.0)
-      rspec-expectations (~> 2.99.0)
-      rspec-mocks (~> 2.99.0)
-    rspec-core (2.99.0)
-    rspec-expectations (2.99.0)
-      diff-lcs (>= 1.1.3, < 2.0)
-    rspec-mocks (2.99.0)
-    ruby-hmac (0.4.0)
-    safe_yaml (0.9.7)
-    serverspec (1.7.0)
-      highline
-      net-ssh
-      rspec (~> 2.13)
-      specinfra (~> 1.13)
-    signet (0.5.0)
-      addressable (>= 2.2.3)
-      faraday (>= 0.9.0.rc5)
-      jwt (>= 0.1.5)
-      multi_json (>= 1.0.0)
-    slop (3.5.0)
-    specinfra (1.15.0)
-    thor (0.19.1)
-    timers (1.1.0)
-    travis (1.6.11)
-      addressable (~> 2.3)
-      backports
-      faraday (~> 0.9)
-      faraday_middleware (~> 0.9)
-      gh (~> 0.13)
-      highline (~> 1.6)
-      launchy (~> 2.1)
-      pry (~> 0.9)
-      pusher-client (~> 0.4)
-      typhoeus (~> 0.6, >= 0.6.8)
-    travis-lint (1.8.0)
-      hashr (~> 0.0.22)
-      safe_yaml (~> 0.9.0)
-    trollop (2.0)
-    typhoeus (0.6.8)
-      ethon (>= 0.7.0)
-    unf (0.1.4)
-      unf_ext
-    unf_ext (0.0.6)
-    uuidtools (2.1.4)
-    vagrant-wrapper (1.2.1.1)
-    websocket (1.1.4)
-
-PLATFORMS
-  ruby
-
-DEPENDENCIES
-  beaker
-  beaker-rspec
-  guard-rake
-  metadata-json-lint
-  puppet (~> 3.4.0)
-  puppet-blacksmith
-  puppet-lint
-  puppet-syntax
-  puppetlabs_spec_helper
-  rake
-  rspec (< 3.0.0)
-  rspec-puppet!
-  travis
-  travis-lint
-  vagrant-wrapper