diff --git a/Gemfile b/Gemfile
index 5f131ee..5c87918 100644
--- a/Gemfile
+++ b/Gemfile
@@ -51,7 +51,7 @@ end
 
 group :release do
   gem "puppet-blacksmith", '~> 3.4',                                             require: false
-  gem "pdk",                                                                     platforms: [:ruby]
+  gem "pdk", '~> 2.0',                                                           platforms: [:ruby]
 end
 
 puppet_version = ENV['PUPPET_GEM_VERSION']
diff --git a/metadata.json b/metadata.json
index 285d485..e469480 100644
--- a/metadata.json
+++ b/metadata.json
@@ -12,52 +12,13 @@
   ],
   "operatingsystem_support": [
     {
-      "operatingsystem": "CentOS",
-      "operatingsystemrelease": [
-        "7"
-      ]
-    },
-    {
-      "operatingsystem": "OracleLinux",
-      "operatingsystemrelease": [
-        "7"
-      ]
-    },
-    {
-      "operatingsystem": "RedHat",
-      "operatingsystemrelease": [
-        "7"
-      ]
-    },
-    {
-      "operatingsystem": "Scientific",
-      "operatingsystemrelease": [
-        "7"
-      ]
-    },
-    {
-      "operatingsystem": "Debian",
-      "operatingsystemrelease": [
-        "8"
-      ]
-    },
-    {
-      "operatingsystem": "Ubuntu",
-      "operatingsystemrelease": [
-        "16.04"
-      ]
-    },
-    {
-      "operatingsystem": "Solaris",
-      "operatingsystemrelease": [
-        "11"
-      ]
+      "operatingsystem": "Solaris"
     }
   ],
   "requirements": [
     {
       "name": "puppet",
-      "version_requirement": ">= 6.0.0 < 7.0.0"
+      "version_requirement": ">= 6.0.0 < 8.0.0"
     }
   ],
   "pdk-version": "1.14.0",