diff --git a/metadata.json b/metadata.json
index fdd0ce9..bc04f3e 100644
--- a/metadata.json
+++ b/metadata.json
@@ -61,7 +61,7 @@
     "requirements": [
         {
             "name": "puppet",
-            "version_requirement": ">= 5.0.0 < 7.0.0"
+            "version_requirement": ">= 6.0.0 < 7.0.0"
         }
     ],
     "project_page": "https://launchpad.net/puppet-magnum",