diff --git a/metadata.json b/metadata.json
index 9c67f45..316ddfa 100644
--- a/metadata.json
+++ b/metadata.json
@@ -1,86 +1,86 @@
 {
   "name": "puppet-cassandra",
   "version": "3.1.1-rc0",
   "author": "Vox Pupuli",
   "summary": "Installs Cassandra & DataStax Agent on RHEL/Ubuntu/Debian.",
   "license": "Apache-2.0",
   "source": "https://github.com/voxpupuli/puppet-cassandra",
   "project_page": "https://github.com/voxpupuli/puppet-cassandra",
   "issues_url": "https://github.com/voxpupuli/puppet-cassandra/issues",
   "tags": [
     "Apache",
     "cassandra",
     "cluster",
     "database",
     "datastax",
     "datastax-agent",
     "nosql"
   ],
   "dependencies": [
     {
       "name": "puppetlabs-apt",
       "version_requirement": ">= 2.0.0 < 8.0.0"
     },
     {
       "name": "puppetlabs-firewall",
       "version_requirement": ">= 1.0.0 < 3.0.0"
     },
     {
       "name": "puppetlabs-inifile",
       "version_requirement": ">= 1.5.0 < 5.0.0"
     },
     {
       "name": "puppetlabs-stdlib",
-      "version_requirement": ">= 3.0.0 < 7.0.0"
+      "version_requirement": ">= 3.0.0 < 9.0.0"
     }
   ],
   "operatingsystem_support": [
     {
       "operatingsystem": "CentOS",
       "operatingsystemrelease": [
         "6",
         "7"
       ]
     },
     {
       "operatingsystem": "OracleLinux",
       "operatingsystemrelease": [
         "6",
         "7"
       ]
     },
     {
       "operatingsystem": "RedHat",
       "operatingsystemrelease": [
         "6",
         "7"
       ]
     },
     {
       "operatingsystem": "Debian",
       "operatingsystemrelease": [
         "8"
       ]
     },
     {
       "operatingsystem": "Scientific",
       "operatingsystemrelease": [
         "6",
         "7"
       ]
     },
     {
       "operatingsystem": "Ubuntu",
       "operatingsystemrelease": [
         "16.04",
         "18.04"
       ]
     }
   ],
   "requirements": [
     {
       "name": "puppet",
       "version_requirement": ">= 5.5.8 < 7.0.0"
     }
   ]
 }