diff --git a/metadata.json b/metadata.json
index 3bd3500..6a343cb 100644
--- a/metadata.json
+++ b/metadata.json
@@ -22,7 +22,7 @@
     },
     {
       "name": "puppetlabs/concat",
-      "version_requirement": ">= 1.0.0 < 8.0.0"
+      "version_requirement": ">= 1.0.0 < 9.0.0"
     }
   ],
   "requirements": [