diff --git a/metadata.json b/metadata.json
index 1c554e49453e2391b16e8b43ce4b61dcaa0bd018..79eb95c3c4af7a0f0dcbfceb890ee616e303f7e1 100644
--- a/metadata.json
+++ b/metadata.json
@@ -72,7 +72,7 @@
   "requirements": [
     {
       "name": "puppet",
-      "version_requirement": ">= 4.0.0 < 7.0.0"
+      "version_requirement": ">= 6.1.0 < 8.0.0"
     }
   ],
   "description": "Postfix Module for Puppet",