diff --git a/Gemfile b/Gemfile
index 483cfd0..e2cfd2a 100644
--- a/Gemfile
+++ b/Gemfile
@@ -6,7 +6,7 @@ gem 'simplecov'
 gem 'simplecov-rcov'
 gem "rspec", '~> 2.0'
 gem "mocha"
-gem 'puppet',       '= 3.5.1'
+gem 'puppet',       '6.25.1'
 gem 'puppet-lint'
 gem 'facter',       '>= 1.6.10'
 gem 'rspec-puppet', :git => 'https://github.com/rodjek/rspec-puppet.git', :branch => 'master'
diff --git a/Gemfile.lock b/Gemfile.lock
index e6db41b..722d6de 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -13,31 +13,42 @@ GEM
     builder (3.2.2)
     ci_reporter (2.0.0)
       builder (>= 2.1.2)
+    concurrent-ruby (1.1.9)
+    deep_merge (1.2.1)
     diff-lcs (1.2.5)
     docile (1.1.5)
     facter (2.2.0)
       CFPropertyList (~> 2.2.6)
-    hiera (1.3.4)
-      json_pure
-    json_pure (1.8.1)
+    fast_gettext (1.8.0)
+    hiera (3.7.0)
+    hocon (1.3.1)
+    httpclient (2.8.3)
+    locale (2.1.3)
     metaclass (0.0.4)
     mocha (1.1.0)
       metaclass (~> 0.0.1)
     multi_json (1.10.1)
     power_assert (0.1.3)
-    puppet (3.5.1)
-      facter (> 1.6, < 3)
-      hiera (~> 1.0)
-      json_pure
-      rgen (~> 0.6.5)
+    puppet (6.25.1)
+      concurrent-ruby (~> 1.0)
+      deep_merge (~> 1.0)
+      facter (> 2.0.1, < 5)
+      fast_gettext (~> 1.1)
+      hiera (>= 3.2.1, < 4)
+      httpclient (~> 2.8)
+      locale (~> 2.1)
+      multi_json (~> 1.10)
+      puppet-resource_api (~> 1.5)
+      semantic_puppet (~> 1.0)
     puppet-lint (1.1.0)
+    puppet-resource_api (1.8.14)
+      hocon (>= 1.0)
     puppetlabs_spec_helper (0.3.0)
       mocha (>= 0.10.5)
       rake
       rspec (>= 2.9.0)
       rspec-puppet (>= 0.1.1)
     rake (10.3.2)
-    rgen (0.6.6)
     rspec (2.99.0)
       rspec-core (~> 2.99.0)
       rspec-expectations (~> 2.99.0)
@@ -51,6 +62,7 @@ GEM
       builder (< 4)
       rspec (>= 2, < 4)
       rspec-core (!= 2.12.0)
+    semantic_puppet (1.0.4)
     simplecov (0.9.1)
       docile (~> 1.1.0)
       multi_json (~> 1.0)
@@ -68,7 +80,7 @@ DEPENDENCIES
   ci_reporter
   facter (>= 1.6.10)
   mocha
-  puppet (= 3.5.1)
+  puppet (= 6.25.1)
   puppet-lint
   puppetlabs_spec_helper (= 0.3.0)
   rake (>= 0.9.2)