diff --git a/.rubocop.yml b/.rubocop.yml
index d4d66159..a206e025 100644
--- a/.rubocop.yml
+++ b/.rubocop.yml
@@ -85,4 +85,4 @@ Style/Documentation:
 Style/WordArray:
   EnforcedStyle: brackets
 RSpec/MultipleExpectations:
-  Max: 3
\ No newline at end of file
+  Max: 3
diff --git a/metadata.json b/metadata.json
index a60807ee..1381a935 100644
--- a/metadata.json
+++ b/metadata.json
@@ -14,7 +14,7 @@
     },
     {
       "name": "puppetlabs/concat",
-      "version_requirement": ">= 4.0.0 < 8.0.0"
+      "version_requirement": ">= 4.0.0 < 9.0.0"
     },
     {
       "name": "puppet/archive",