diff --git a/.fixtures.yml b/.fixtures.yml
index 8fe93ac..dc753b5 100644
--- a/.fixtures.yml
+++ b/.fixtures.yml
@@ -5,6 +5,6 @@ fixtures:
       ref:  "4.1.0"
     concat:
       repo: "puppetlabs/concat"
-      ref:  "1.2.0"
+      ref:  "1.2.1"
   symlinks:
     sudo: "#{source_dir}"
diff --git a/metadata.json b/metadata.json
index 332546b..8aab0a9 100644
--- a/metadata.json
+++ b/metadata.json
@@ -24,7 +24,7 @@
     },
     {
       "name": "puppetlabs/concat",
-      "version_requirement": ">=1.2.0 <2.0.0"
+      "version_requirement": ">=1.2.1 <2.0.0"
     }
   ]
 }