diff --git a/metadata.json b/metadata.json
index 42cfb19..a67bc01 100644
--- a/metadata.json
+++ b/metadata.json
@@ -8,8 +8,8 @@
   "project_page": "https://github.com/NTTCom-MS/eyp-sysctl",
   "issues_url": "https://github.com/NTTCom-MS/eyp-sysctl/issues",
   "dependencies": [
-    {"name":"puppetlabs/stdlib","version_requirement":">= 1.0.0 < 9.9.9"},
-    {"name":"puppetlabs/concat","version_requirement":">= 1.2.3 < 9.9.9"},
+    {"name":"puppetlabs/stdlib","version_requirement":">= 1.0.0 < 4.12.0"},
+    {"name":"puppetlabs/concat","version_requirement":">= 1.2.3 < 2.2.1"},
     {"name":"eyp/eyplib","version_requirement":">= 0.1.5 < 0.2.0"}
   ],
   "operatingsystem_support": [