diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index e369e3c..ea59806 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -10,7 +10,7 @@ cache:
 before_script:
   - bundle -v
   - rm Gemfile.lock || true
-  - gem update --system
+  - gem update --system $RUBYGEMS_VERSION
   - gem --version
   - bundle -v
   - bundle install --without system_tests --path vendor/bundle --jobs $(nproc)
@@ -22,6 +22,7 @@ parallel_spec-Ruby 2.1.9-Puppet ~> 4.0:
     - bundle exec rake parallel_spec
   variables:
     PUPPET_GEM_VERSION: '~> 4.0'
+    RUBYGEMS_VERSION: '2.7.8'
 
 syntax lint metadata_lint check:symlinks check:git_ignore check:dot_underscore check:test_file rubocop-Ruby 2.4.4-Puppet ~> 5.5:
   stage: syntax
diff --git a/.puppet-lint.rc b/.puppet-lint.rc
new file mode 100644
index 0000000..8b13789
--- /dev/null
+++ b/.puppet-lint.rc
@@ -0,0 +1 @@
+
diff --git a/.travis.yml b/.travis.yml
index db74edf..1a3a235 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -5,7 +5,7 @@ cache: bundler
 before_install:
   - bundle -v
   - rm -f Gemfile.lock
-  - gem update --system
+  - gem update --system $RUBYGEMS_VERSION
   - gem --version
   - bundle -v
 script:
@@ -32,7 +32,7 @@ matrix:
       env: PUPPET_GEM_VERSION="~> 5.0" CHECK=parallel_spec
       rvm: 2.4.4
     -
-      env: PUPPET_GEM_VERSION="~> 4.0" CHECK=parallel_spec
+      env: PUPPET_GEM_VERSION="~> 4.0" CHECK=parallel_spec RUBYGEMS_VERSION=2.7.8
       rvm: 2.1.9
     -
       env: CHECK='build' DEPLOY_TO_FORGE=yes
diff --git a/metadata.json b/metadata.json
index d76f5eb..fe4800b 100644
--- a/metadata.json
+++ b/metadata.json
@@ -1,8 +1,8 @@
 {
   "name": "innogames-xmlsimple",
-  "version": "0.1.1",
+  "version": "0.1.2",
   "author": "InnoGames GmbH",
-  "summary": "Functions to convert back and forth between XML and Hashes",
+  "summary": "Functions to convert back and forth between XML and Hashes via xml-simple",
   "license": "Apache-2.0",
   "source": "http://github.com/innogames/puppet-xmlsimple",
   "project_page": "http://github.com/innogames/puppet-xmlsimple",
@@ -11,6 +11,14 @@
 
   ],
   "operatingsystem_support": [
+    {
+      "operatingsystem": "FreeBSD",
+      "operatingsystemrelease": [
+        "10",
+        "11",
+        "12"
+      ]
+    },
     {
       "operatingsystem": "CentOS",
       "operatingsystemrelease": [
@@ -38,13 +46,15 @@
     {
       "operatingsystem": "Debian",
       "operatingsystemrelease": [
-        "8"
+        "8",
+        "9"
       ]
     },
     {
       "operatingsystem": "Ubuntu",
       "operatingsystemrelease": [
-        "16.04"
+        "16.04",
+        "18.04"
       ]
     },
     {
@@ -63,7 +73,7 @@
     }
   ],
   "description": "These module includes the 'xml-simple' gem to convert data back and forth between XML and Hashes. Fork of glarizza-xmlsimple module",
-  "pdk-version": "1.7.1",
+  "pdk-version": "1.8.0",
   "template-url": "https://github.com/puppetlabs/pdk-templates.git",
-  "template-ref": "heads/master-0-gbf720df"
+  "template-ref": "heads/master-0-g20af4c6"
 }